The McMinnville Photos
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X. FURTHER INVESTIGATIONS
Apparently no reporters followed up on the
Trent story after the visit by Lou Gillette on June 10 or 11,
1950. Since there were, at that time, no civilian UFO organizations,
there were no further civilian investigations into the sighting
until many years later. However, the Trents have claimed that
there was a brief government investigation, and that claim is
backed in part by Bill Powell. The first mention of a government
investigation in a written document (at least the first mention
that I was able to find) is in a letter from the late Frank Halstead
(an astronomer) to Maj. Donald Keyhoe (a retired Marine pilot,
author of the first popular UFO book and several other
UFO books and the first director the civilian UFO organization
called the National Investigations Committee on Aerial Phenomena
(NICAP)). (NOTE 2000: NICAP ceased operation in 1980
and the voluminous files of about 10,000 sighting cases were
turned over to the Center for UFO Studies.) The letter
of April 18, 1959 states that Halstead visited the Trents and
"I spent about an hour with them and they told me that the
FBI came there and questioned them for several hours and some
time later a man from the A.F. base from Denver, Colorado...
This man spent a considerable time with them asking, but did
answer their questions." Halstead also offered to make a
tape recording of the Trents' story. Richard Hall, who was the
executive secretary of NICAP at the time, responded to Halstead's
letter, saying that NICAP would be very interested in getting
a tape recording and "as a separate section of the tape,
a description of the interviews the Trents had with the two FBI
agents and the Air Force officer."(39) I don't know
why Hall referred to "two" FBI agents since there is
no written record of Halstead referring to two agents. Perhaps
Halstead telephoned Keyhoe (or Hall) in relation to the interview
and conveyed further information that way. (Note: apparently
Halstead never did tape the Trents. As late as May, 1961 Halstead
informed Keyhoe by letter that he still intended to tape an interview
with the Trents, but there is no such tape in the NICAP files.)
The next mention of possible government
involvement occurs in two sources in 1967. Mrs. Trent told Look
Magazine that "Air Force officials investigated the sighting
and took geiger counter readings but they didn't let us know
anything." (40) The second source is the Portland
Oregonian of Aug. 3, 1967 which says that Mrs. Trent reported
that" 'two detectives' examined their house and furnishings
after they reported the pictures. She didn't know why."
(41)
In a 1969 phone conversation with Dr. James
McDonald, Paul Trent was asked "what he thought it was"
and he replied as follows: "Thought it was something the
Army was experimenting with. Don't say much about it now... because
get so much fuss. FBI checked (us); came right out to where (I)
was working and questioned (me). That was right at (the) time,
1950, three weeks after it got out in the papers. (They) gave
no reason. (They were) just talking to (me) but (they) showed
FBI identification (papers)." (Reconstructed from telephone
notes by James McDonald (24).)
In several conversations with me, Mrs. Trent
recounted the story of "detectives" who visited the
house while she was home. I asked her "Was that during the
day when you were home or something?"(42) She answered "Yeah,
it was later in the day. I don't know, it was probably about
4:00, say to 4:30 when he came in. Yeah, he went through everything.
_Everything!_ (her emphasis) And I don't mean maybe! He
never stopped (until he had everything spread out) on the table."
I asked her if the man said where he was
from and she answered "No. He even went where to where my
husband was at work, on the Alderman farm there. He asked all
different questions there." Mrs. Trent gave a rather graphic
description of how the "detective" went through the
dresser drawers and other drawers in the house looking for something
and generally making a mess of the place and they didn't put
anything back where it was supposed to be. She said she wasn't
sure that the detective was from the FBI. She also said that
there was another man, too, who spent some time outside the house
as well as inside. Both men took lots of pictures. They were
"throwing stuff up in the air 'n' taking pictures, 'n' trying
all different things like that, too, garbage can lids 'n' stuff
like that, but they went all through it just to see what they
could find, I guess. They didn't find nothin', but that's what
they said they had (to do), said it was their job, that's the
way they worded it." Mrs. Trent did not recall whether or
not they wore uniforms.
Although I have not been able, to find any
documents associated with an on-the-spot investigation by the
Air Force, it would not be too difficult to imagine that one
or more agents of the Air Force's Office of Special Investigations
(AFOSI; basically a criminal investigative unit of the Air Force)
did investigate the Trent sighting. During the period 1949-1951
the AFOSI was the agency charged with on-site UFO investigations
on behalf Project Grudge (headquartered at Wright -Patterson
Air Force Base in Dayton, Ohio; Grudge followed Project Sign
and preceded the better known Project Blue Book ). There are
no documents on the Trent case in the files of Project Blue Book
itself (which include the files of Sign and Grudge; these files
are all at the National Archives) other than responses to letters written in the mid
1960's for information on the case. Lt. Col. Hector Quintanilla,
Jr., who was in charge of Project Blue Book in the mid 1960's,
wrote to P. Klass in 1969 (44) "the Air Force never
officially got involved in the analysis of this case. We don't
even have a good print of the alleged vehicle." Actually,
Project Blue Book must have had at least one print in 1966 because
at that time Quintanilla requested an analysis of the photographs
by the photo analysis branch. The photo analysis branch did not
provide an analysis, however.
Despite Quintanilla's answer to Klass, it
is not impossible that the AFOSI investigated the sighting in
1950 and did not file a report with Project Grudge. A study of
the microfilm record at the National Archives (45) has shown
that not all of the files of the AFOSI were entered into the
Grudge or Blue Book records. In particular, on roll 91 of the
microfilm records (45) there is an AFOSI document entitled "Spot
Intelligence Report" which discusses the "Flying Saucer
Photograph (taken by ) Trent (of ) McMinnville, Oregon ".
The spot intelligence report was filed in the records of the
19th AFOSI district office and a copy was sent to AFOSI headquarters
in Washington, D.C., but no copy was sent to Project Grudge.
(Therefore Quintanilla was not aware of it because it was not
in the Grudge/Blue Book file of reports.) The date on the spot
report is June 21, 1950. Apparently an agent of the AFOSI saw
a newspaper article in the Vallejo (California) NewsChronical
of that date. The newspaper article, which was included in the
spot report, featured the Trent photos along with a very brief
summary of the sighting. The text of the spot intelligence report
says that " Sgt. Lawrence J. Hyder", of the 1704th
Air Traffic Squadron, Fairfield-Suisan Air Force Base in California,
"advised this District that (Mr. Trent) and all the Trents
are known to residents of McMinnville, Oregon as being substantial,
solid, honest citizens of the community. Hyder said that while
he was home on leave, approximately June 8, his home town paper,
the 'Telephone Register' published these photographs on the front
page with the story that Trent said the 'Saucer' was shining
silver, made no noise or smoke, and shortly afterward disappeared
over the horizon to the Northwest." There is no specific
indication that the AFOSI took any action as a result of this
report by Sgt. Hyder. However, I should point out that June 21
was almost three weeks after the photos had been published and
that Mr. Trent told J. McDonald (in 1969) that the "FBI'.'
men came "right out to where (I) was working and questioned
me, three weeks after it got out in the papers."(24)
An independent statement about government
involvement was made by a reliable source, Bill Powell, the newspaperman
who originally published the Trent's story. Powell volunteered
the information (without any question about it from me) in a
phone conversation in 1976. Referring to copy negatives and prints
which he had retained at the newspaper office (the original
negatives had, by this time, been "lost" in the files
of the INS) Powell said, "Anyway, the damn Air Force latched
onto them and I never did get them back." (35) He went on
to say that "They sent in a plainclothes (man who) had the
paper to do it" about "two weeks to a month after the
pictures were published". Note that this time period agrees
with Trent's claim that he was visited about three weeks after
the pictures were published. Powell said that he wrote registered
letters and sent telegrams to the Air Force but never got a response
and never got the pictures back. Philip Bladine, the editor,
wasn't in McMinnville on the day that Powell published the Trent
photos, but he heard about the sighting when he returned. In
a letter to P. Klass, Bladine stated that, after the negatives
were sent to Life Magazine, "they (Life) claimed the negatives
were returned but we never received them." (46) Bladine
then stated that he had "always been suspicious that they
were confiscated by military people."
The military involvement was echoed, in
a somewhat distorted manner, by Frank Edwards in an article published
in 1965. (47) In 1950 Edwards was a radio commentator who had
an interest in saucer sightings. Shortly after the Trent photos
were published he arranged with Bladine to send out free reprints
of the first page of the Telephone Register of June 8 (1950)
to anyone who wrote for a copy. Edwards announced this offer
during a radio program and, according to Bladine, the newspaper
received nearly 10,000 requests for copies, and hundreds, or
thousands, of letters. Because of Edwards' interest in the Trent
sighting and his arrangement with the newspaper, he was in close
contact with the newspaper in June of 1950. According to Edwards,"
the Air Force had picked up all the available prints from the
McMinnville Tribune (sic), had 'borrowed' the original negatives
from Life and tried and failed to secure the two prints in my
possession." (47)
The statement by Powell, backed up by Bladine
and Edwards, strongly suggests Air Force involvement between
two and four weeks after the pictures were published. On the
other hand, Trent claimed that he was visited by FBI men. (Note:
Mrs. Trent did refer to the visit of an Air Force Officer who
spent quite a long time talking with her, but this was much later
than three weeks after the sighting.) In order to confirm or
deny the claim that FBI investigators were involved, in the fall
of 1976 I filed a request under the Freedom of Information and
Privacy Act. I was informed, in May, 1977, that a search of the
files at FBI headquarters in Washington D.C. failed to turn up
any information on Mr. Trent. However, from other information
in the FBI file on "Flying Discs" I learned that the
FBI had been instructed to investigate reports officially during
the summer of 1947. The agents had then been instructed to discontinue
official investigations, but to pass along any information they
might acquire to the Air Force Office of Special Investigations.(48)
Nevertheless, agents continued to send "disc"
related information to headquarters during the 1950's. I
also learned from agents at FBI headquarters that local FBI offices
may carry out investigations and have the option of sending or
not sending the results of these investigations to headquarters
as the local agents see fit. Thus it is possible that local agents
might have investigated the Trents and, having found no evidence
of subversive activity (the official FBI investigation of 1947
had been directed toward the discovery of subversive activity),
the local agents did not send the results of their investigation
to headquarters. I also learned from FBI headquarters that, whereas
the main office cannot destroy records (by order of Congress),
local offices can destroy records after five or ten years. Thus
there would no longer be any evidence of an FBI investigation
of the Trents in any FBI files. Thus it is not possible to refute
Mr. Trent's claim that he was visited by FBI agents. However,
if plainclothes Air Force agents had interviewed the Trents they
might have forgotten that they were Air Force agents and thought
many years later (e.g., 1959 when questioned by Frank Halstead)
that the men had been from the FBI (because they did not wear
uniforms). If the Trents made an error in thinking that
they had been visited by the FBI, then their story would agree
closely with that of Powell (who said a plainclothes Air Force
man visited the newspaper office) and their story would suggest
that the report by Sgt. Hyder caused the AFOSI to investigate
(although no record of such an investigation has been found).
On the other hand, if both the Trents and Powell are correct,
both the FBI and the AFOSI were involved.
(NOTE: in the letter I wrote to the
FBI asking for information on the Trents I also included a request
for any other UFO related information they might have, under
the then-recent rulings of the Freedom of Information and Privacy
Act. I didn't expect to receive any other information since,
as of 1976, there had never been any publicly available references
to the FBI investigating UFO sightings. (In fact, in the
1960's the FBI had specifically denied being ever involved.)
In May, 1977, I received a phone call from the very suprised
FBI agent who had handled my request. He told me there were over
a thousand pages of material in the "flying disc" file.
Over the next few years about 1,600 pages were released
and are now available on the web at the FBI site: www.foia.fbi.gov/unusual.htm.
Some of the sightings investigated in 1947 by the FBI were
filed under "Security Matter - X"...the "real
X Files!" The story of the FBI involvement with UFOs
is told in my book "THE UFO-FBI CONNECTION" published
in May, 2000, by the Llewellyn Publishing Co. The genesis
of this book is the FBI documents which were released over 20
years ago as a result of my request. But I would not have
made that request had the Trents not said anything about potential
FBI involvement so, in some sense the writing and publication
of this book is directly traceable to Paul and Evelyn Trent!)
XI. ON THE POSSIBILITY OF OTHER WITNESSES
According to the brief story in Life Magazine
of June 1950 "none of Trent's neighbors saw (the) saucer."
(31) No other witnesses were mentioned in the initial newspaper
accounts, although the attempt to contact Mr. Trent's mother
by telephone was mentioned in the Portland paper (9). The first
mention of other witnesses was made by Mr. Trent in a phone conversation
with Dr. McDonald. (24) Mr. Trent said that his father saw the
object as it was departing toward the west because he and his
wife yelled to Trent's father and mother to look. Mrs. Trent
told me that she thought her mother-in-law might also have seen
it. She also talked about another possible witness whose name
was Chapin or Chaplain. (Mrs. Trent could not remember
the name exactly after so many years.) According to Mrs.
Trent (21), Mrs. Chapin, with whom she was not well acquainted,
came to her one day after church several weeks (or months) after
the photos had been published and said " 'You know that
object that you guys saw and took a photo of.....I think I saw
the same object that same day you was (sic) talking about'. And
then I ( Mrs. Trent) described it to her 'n' she (Mrs. Chapin)
said, 'Yes, that's what it looked like. I just thought at first
it was just some parachute. After I read that in the paper, I
knew good 'n' well that that was the same thing I saw'."
Of course, I do not expect that these are the exact words of
Mrs. Chapin, recalled by Mrs. Trent after about 26 years. However,
Mrs. Trent recalled the story told by Ms. Chapin in a similar
way several times over the several years that I talked to her.
The description of the object as resembling a parachute may have
been an modification of Mrs. Chapin's alleged account. I say
this because Mrs. Trent, in conversations with me and also in
an original newspaper report, referred to the object as resembling
"a good sized parachute canopy without the strings, only
silvery bright mixed with bronze."(9) According to Mrs.
Trent, Mrs. Chapin died around 1970, so she still would have
been alive in 1967 when Hartmann could have interviewed her as
part of his investigation. Unfortunately Hartmann never asked
about other witnesses. McDonald asked Mr. Trent about other
witnesses in 1969. Mr. Trent mentioned his father. He may not
have known (or did not remember) about Mrs. Chapin, since Mrs.
Chapin talked to Mrs. Trent. Although McDonald talked to Mrs.
Trent as well as to Mr. Trent, there is no evidence that he asked
Mrs. Trent about other witnesses. (24) In many conversations
spaced over several years Mrs. Trent repeated her. claim about
Mrs. Chapin (Chaplain). If she had been making this story up
simply for my benefit, to bolster the credibility of the sighting
, she must had have a remarkable memory for detailed falsehoods!
(21,26,49,50)
XII. OPINIONS OF PEOPLE WHO HAVE INTERVIEWED THE TRENTS
Over the years many people have visited
the Trents to ask them about their sighting. Others who know
the Trents, or who know of the Trents, have offered opinions
as to the truthfulness of the Trents. For those readers who have
not actually conversed with either of the Trents the following
list of people who have talked to the Trents or who know of the
them through intermediaries (friends of friends) will be of interest
because of the quotable opinions of these people. I have listed
these people in chronological order of their interactions with
the Trents.
PERSON |
DATE AND NATURE OF INVOLVEMENT |
OPINION |
Bill Powell |
June, 1950; wrote the original story and published the photos. |
"I think the photos were authentic. The Trents were telling the truth." (35) |
Frank Wortmann |
June 1950; Trent's banker. He notified Powell about the photos. |
Publically vouched for Mr. Trent's veracity; repeated his opinion in letters to McDonald (37) and Klass. (51) |
Philip Bladine |
June,1950; editor of the paper knew the Trents, Powell, and Wortmann. |
Believed the Trents wouldn't fake the photos (5). "We always figured it was legitimate." (53) |
L.J.Hyder |
June, 1950; Air Force Sergeant who provided information to the AFOSI. |
The Trents were known to residents of McMinnville as substantial,solid, honest citizens. (45) |
Frank Halstead |
April, 1958; retired astronomer who travelled around the country investigating sightings and sending infrmation to NICAP. |
After an hour long interview he gained the impression that the Trents were "very sincere people". (38) |
William Hartmann |
1967; photographic case investigator for the Colorado UFO study ("Condon Report"). |
From his description in the Condon Report and a statement to McDonald in a phone conversation it is clear that he was impressed with the Trents (1). However he also made it clear that he could not positively rule out he hoax hypothesis. He later changed his mind on the veracity of the sighting. (6,54) |
James A. McDonald |
1969-1970; atmospheric physicist at the University of Arizona and independent investigator of UFO sightings. |
"I find them to be the kind of people who could scarcely carry off an imaginative hoax or fabrication". (55) |
Veikko Itkonen |
1969; film producer and director; interviewed and filmed the Trents for a UFO documentary that was shown in Europe. |
"The conclusions made by Dr. William K. Hartmann in the Condon Report... are very close to the impressions we got during our visit to McMinnville and meeting with the Trent family". (56) |
Arthur Fryer |
Dec. 1976; retired high school science teacher in McMinnville who interviewed the Trents at my request. |
"No question in my mind that they weren't trying to hoax. She never called it a flying saucer or UFO". (57) |
B. Maccabee |
1974-1977; physicist and UFO investigator; had 26 conversations with Mrs. Trent (some short, some long; most transcribed for later analysis). |
"I have never detected any tendency to hold back or distort information intentionally; differences in various retellings of the sighting and surrounding events seem to be no more than what one would expect of a person trying to recall events of more than 24 years before. |
This list of people who have interviewed
one or both of the Trents is doubtless too short. However, these
are the people who have made statements that I have on record.
Also of interest are the opinions of two independent investigators
who analyzed a tape I made of a conversation with Mrs. Trent.
The analyses were made by voice stress analysts using equipment
constructed by the Dektor corporation. One test was carried out
by an employee of a security system company in Los Angeles (name
on record (58)). The opinion of the chief examiner was "that
the statements given by Mrs Trent to the interviewer on this
tape are true to the best of her knowledge." An independent
study of the tape by C. Andrews of the Dektor Corporation led
Ms. Andrews to state that there was little or no detectable stress
in Mrs. Trent's voice when she answered questions about the sighting,
about other alleged witness and about other subjects (59). Criticisms
of voice stress analysis notwithstanding, the apparent lack of
stress suggests that, at the very least, Mrs. Trent believes
what she is saying. Perhaps if she were a pathological liar she
could have avoided stress, but it would seem that at least one
of the people who interviewed her personally over the years would
have discovered that by getting her to make a statement which
could be proven to be untrue.
XIII. DISCUSSION
The Trent photo case is a classic because
of its "age" and also because the object is depicted
so clearly that it is either a model (hoax) or it is an "extraordinary
flying object" (to use Hartmann's phrase). It certainly
is neither a bird, nor a plane, nor Superman (i.e., not a misidentified
object). This case is also a perfect illustration of the fact
that, when trying to prove an extraordinary sighting is factual,
it is not sufficient to have clear photographs and several witnesses.
Ever since the photos were published explanations have been offered
by people who never spoke to the Trents. These explanations have
often been based on imperfect or incomplete investigations of
the case. Unfortunately scientists were not interested in the
case at the time that the photos were published, so the Trents
were not interviewed in depth, the negatives were not carefully
analyzed, and valuable data were lost forever. However, even
though data are lacking, it appears from the analysis presented
in this paper (and in the earlier CUFOS paper (4)) that there
is no positive proof of a hoax. Rather, the available data, which
do include a "life history" of the Trents since 1950,
suggest that the sighting actually occurred as the witnesses
claimed. The photos themselves, for reasons discussed earlier,
are equivocal on the hoax hypothesis, although they strongly
confirm the verbal statements if the case is not a hoax. Since
the hard photographic evidence does not positively rule out the
hoax hypothesis, the case will have to be resolved by studying
the life history of the Trents since the sighting, and/or by
a "confession". The preponderance of the information
collected and analyzed by this investigator suggests that the
life style of the Trents is not compatible with assuming that
their very "successful" photographs resulted from a
hoax . Only a confession with a description of how the hoax was
carried off would now convince me that Mr. Trent did not photograph
a large, distant object, the intrinsic nature of which has not
yet been established.
For an updated discussion see the ADDENDA.
REFERENCES AND FOOTNOTES
- "Scientific Study of Unidentified Flying Objects,"E.U. Condon, Director (Bantam, 1969, Pg. 396) This is the final report of the Air Force funded investigation carried out at the University of Colorado. (D.S. Gilmore, Ed.)
- Klass, Philip J., "UFOs Explained," Random House, New York, 1974
- Bulletin of the American Physical Society, 21, 623
- Maccabee, B., "On The Possibility That The McMinnville Photos Show A Distant Unidentified Object," Proceedings of the 1976 CUFOS Symposium, pg. 152 , Center for UFO Studies, Evanston, Ill.
- Ibid., pg. 234
- "UFOs, A Scientific Debate," C. Sagan and T. Page, Ed., pg. 12
- Sheaffer, R. "A Further Investigation of the McMinnville, Oregon Photographs", private communication (unpublished), and ref. 2
- McMinnville Telephone Register, June 8, 1950
- Portland Oregonian, June 10, 1950
- Los Angeles Examiner, June 11, 1950
- Dept. of Commerce, Ashville, N.C., weather records for McMinnville, Oregon, May 11, 1950
- Mrs. E. Trent, private communication (Note: this refers to information obtained during 26 telephone conversations over the time period January 1974 through July 1977.)
- Dept. of Commerce, Ashville, N.C., weather records for Salem, Oregon, May 11, 1950
- Sheaffer, R., "The UFO Verdict," Prometheous Books, Buffalo, NY 1981, pg. 60
- B. Sparks, private communication
- E. Trent, July 9, 1976 , private communication
- "Feb. 3, 1974"
- "Dec. 9 1975"
- Key to decoding Aviation Weather Reports, Dept. of Commerce National Weather Service, Wash., D.C.
- W. Hartmann, private communication
- E. Trent, Feb. 22, 1976 private communication
- "Mar. 9 1976"
- "Jul. 9 1976"
- McDonald, Dr. James E, notes made during phone conversations with Mr. P. Trent, Mar. 9, 1969, and with Mrs. E. Trent, Feb. 17, 1970 and Mar. 2, 1970
- E. Trent, Oct. 25, 1976, private communication
- "May 29, 1976"
- Maccabee, B. (see ref. 4)
- Maccabee, B., and C. Grover, "Veiling Glare in Camera Lens Systems", Proceedings of the Society of Photo-optical Instrumentation Engineers, Volume 107, 158 (1977)
- Claude Poher, private communication
- Jones, L.A., and H.R. Condit, J. Optical Society of America, 11, 651 (1941)
- Life Magazine, June 1950
- Jones, L.A., and H.R. Condit, J. Optical Society of America,38, 123, (1948)
- See ref. 1, pg. 37
- Life Magazine, June 1950
- W. Powell, private communication, July 19, 1976
- See ref. 24, Feb. 17, 1970
- Letter from F. Wortmann to J. McDonald, May 5, 1969
- Letter from F. Halstead to Maj. D. Keyhoe, Apr. 4, 1959
- Letter from R. Hall to F. Halstead, May 5, 1959
- Look Magazine, Flying Saucer Special, 1967
- Portland Oregonian, Aug. 3, 1967
- E. Trent, Feb. 3, 1974 , private communication
- "Jan.31, 1977"
- P. Klass, private communication (letter from Maj. Hector Quintanilla to P. Klass, July, 1969)
- Microfilm files of Project Blue Book and the Air Force Office of Special Investigations at the National Archives
- P. Klass, private communication (letter from P. Bladine, July 30, 1969)
- F. Edwards, syndicated newspaper column, Aug. 1965
- Maccabee, B. "UFO Related Information from the FBI File" published in monthly issues of the MUFON Journal, International UFO Reporter, NICAP Investigator, APRO Bulletin, during 1977-1979
- E. Trent, March 9, 1976, private communication
- "July 23, 1977"
- P.Klass, private communication (letters from F. Wortmann in 1969 and 1972)
- P. Klass, private communication (see ref. 46)
- P. Bladine, private communication, April 14, 1975
- W. Hartmann changed his opinion about the Trent case after
reading Sheaffer's analysis (ref. 7) which discussed three problems
with the Trent case. According to Sheaffer: (a) there are shadows
on the wall which prove that the photos were taken in the morning
rather than as the witnesses stated (in the evening); b) one
of the shadows moved on the garage wall between photos indicating
a long time between photos (minutes) rather than tens of seconds
as the witnesses stated; and c) veiling glare caused by grease
on the camera lens could have made the UO image in photo 1 too
bright, thus invalidating Hartmann's distance calculation. Points
(a) and (c) are discussed at length in the text of this paper
and in ref. 4. Point (b) was found to be in error after
the original negatives were carefully investigated and no shadow
movement was detected.
- Letter from Dr. J. McDonald to W. DeFaria, March 26, 1970
- Veikko Itkonen in a letter to Ole Henningsen, 5/19/77 and in a private communication to this author
- A. Fryer, private communication, Dec. 10, 1976
- Letter on file
- C. Andrews, private communication
- One may wonder how it happened that Mrs. Trent had the presence
of' mind to think of a camera, when it is known that in some
cases witnesses who have cameras near by have not thought to
use them (see, for example "Missing Time" by Budd Hopkins,
Richard Marek Publishers, New York, 1981 , pg 29). Her quick
thinking may have been a result of previous sightings . According
to ref. 9, Mrs. Trent had seen similar objects three times before.
Whether these were bonafide sightings or misidentifications is
immaterial as long as she thought she had seen similar things
previously. Perhaps in the previous sightings she had wished
she had a camera because, according to ref. 9, no one would believe-her.
Apparently "no one" included her husband, because he
was quoted as saying "I didn't believe all that talk about
flying saucers before, but now I have an idea that the Army knows
what they are"(ref. 10). But this time when she saw an unusual
object she was home with her husband and she could prove it.
Moreover, she knew that a camera was available, so she yelled
to her husband to get the camera and he did. From the original
stories and what she has told me it seems reasonable that she
looked in the car while her husband, who was in the house,looked
in the house for the camera. Klass (ref. 2) has used her claim
to have seen objects three times previously as a "reason"
for the presumed hoax, "Now, thanks to the photos, skeptical
friends would be convinced." If Klass were correct, she
must have convinced her husband before the photos were taken
since hoax photos would not be proof for him. Either that or
she convinced her husband to put on a blindfold and take pictures
in the back yard while, unbeknownst to him, she hung a model
saucer under the wires in line with the direction he was photographing.
Then, after the pictures were developed, he was convinced. Klass
(ref. 2) has also pointed out that the Trents are "repeaters,"
although, in fact, only Mrs. Trent reported several sightings
before the photos and several afterward. This presumably means
that the Trents have seen "impossibilities" occur more
than once, which is highly improbable if UFOs are real, and,
of course, impossible if they are not. Assuming with Klass that
UFOs (saucers) are not real, then the repeated sightings must
be either misidentifications or hoaxes. Since by this assumption
the photos must be a hoax, then it is reasonable to assume that
at least some of the later sightings were also hoaxes
to bolster their story. But pushing this assumption to its consistent
limit, and considering the success of the 1950 'hoax' photos,
the Trents should have produced more photos to back up their
claims of further sightings. Instead, according to Mrs. Trent
(who, we are to believe, had a need to create a hoax to prove
herself right in 1950) "We've seen quite a few since then,
but we didn't get any pictures. They flew away too fast
" (ref. 41). If the original photos were hoaxes, then Mrs.
Trent's reason for not producing more pictures must be considered
to be an excuse ... a "cop out". It would have been
easy to produce more hoax pictures and apparently not time consuming
since they managed to do it during one of their busy mornings
in 1950, assuming the photos are a hoax. Perhaps the Trents were
too lazy to produce more photos? But this seems inconsistent,
since they are apparently very industrious people otherwise.
Actually, the failure to produce further pictures in spite of
the later sightings makes it seem more likely that the original
photos were not the product of a hoax.
- I thank all of the respondents to my requests for information,
including especially Mrs. Trent, Philip Bladine, Arther Fryer,
Mrs. James MacDonald, and Philip Klass. I also thank Brad Sparks
for helpful comments on sighting directions to the UO in the
two photos.
APPENDIX A
ANALYSIS OF THE SHADOWS ON THE GARAGE WALL
The images of the garage wall in both
photos have been analyzed using a scanning densitometer to study
the variations in brightness (density) of the images of the shadows
under the garage eave. The densitometer scans have been done
both "horizontally" and"vertically" on the
images using scanning slits that are generally very small in
the scanning direction (5 - 50 microns) and somewhat wider in
the perpendicular direction (30 - 100 microns). The slit dimensions
have been adjusted for each scan to maximize the signal-to-noise-ratio
for a particular shadow image of interest in a particular scan.
Representative densitometer tracings are presented in Figures
A1A, A2, and A3.
FIGURE A1A
FIGURE A2
FIGURE A3
Figure A1A is a "vertical" scan at 50X
(magnification of 50 times) upwards under the eave near Rafter
B (second from the right hand edge of the garage image). Figure
A2 is a collection of similar scans at 10X at various places
under the eave as denoted by I, II, III and IV. Figures A1 and
A2 illustrate data from photo 2; similar data from photo 1 are
illustrated in Figure A3. The bottom half of Figure A3 also illustrates
"horizontal" scans through the images of the ends of
the rafters and also,through the images of the shadows of the
rafter ends in photo 1. The scans in the bottom half of Figure
A3 give indications of the widths of the images of the
ends of the rafters and also the widths of the associated shadows,
as well as the brightness variations of the shadows. Figure A4
is a compilation of rafter shadow brightness data from photo
2. It is the result of the analysis of many parallel "horizontal"
scans and it clearly illustrates that the shadows of the ends
of the rafters get brighter (image density increases) as the
distance downward below the eave increases.
FIGURE A4
Figure A1A shows that the "horizontal"
shadow under the eave does not have a steep brightness (density)
gradient as one moves upward from the portion of the wall which
is fully illuminated to the portion which is fully shaded from
the source of light which caused the shadows. Instead,
the gradient region is wide, apparently about 0.8 mm wide
on the original negatives (Figure A1A is magnified 50 times).
This is contrary to what would be expected if the bright source
were as small in angular size as the sun. If the source were
the sun one would expect a very narrow gradient region. One main
objective of the analysis presented in this Appendix is to determine
just how narrow the gradient region would be if the source were
the sun, and to compare that calculated gradient width with the
measured width in Figure A1A. Although the calculated width of
the gradient will only be compared with one (very carefully made)
densitometer tracing of the shadow under eave (Fig. A1A), analyses
of similar gradient region density data taken at other locations
in photo 1 and in photo 2 lead to similar conclusions:
the width of the gradient region is much greater than expected if the
sun were the source.
Calculation of the Expected Width of the Gradient Region if the Sun made the
Shadows on the Garage Wall
The geometric optics method of calculating the width of a sun-made shadow
is illustrated in Figure A5 (light travels in straight lines; diffraction effects are
small enough to ignore).
FIGURE A5
One can show that the width of the gradient
region of the shadow caused by a source of angular size A in
degrees, when projected past an edge to a surface at a distance
R from the edge is given by
W = 2R TAN(A/2) (A-1)
where TAN is the tangent function from trigonometry. Note that
the brightness or illumination on the surface increases in a
continuous manner from the fully shaded region to the fully illuminated
region. The exact shape of the brightness gradient curve depends
upon the overall size and shape of and brightness distribution
over the surface of the light source.
Figure A6 illustrates actual graphs of shadow edge gradients made
by the sun shining through clear and cloudy sky. (The reason for making these
graphs is described in the next which considers the effects of thin cloud cover
on the width of the brightness gradient.)
FIGURE A6
These graphs were made by a scanning photometer
that consisted of a resistively loaded solar cell with a small
aperture and a chart recorder that made a graph of the output voltage
as the solar cell was moved across the shadow boundary from the shaded area to the totally illuminated area.
The shadow was created by a board that represented the edge of the garage roof.
The graph at the right side of Figure A6 is a typical example of the type of
graph made by this scanning photometer. The graph shows how the illumination of
the simulated garage wall would change with position along the all as one moves
to the right (in the graph) from the shaded region to the fully illuminated region. The maximum
illuminance ("brightness"), at the "top" of the graph, occurs outside the shadow and the
minimum illuminance, at the "bottom" of the graph occurs in the shaded area. The
maximum illuminance value divided by the minimum illuminance value is the ratio Rb.
This particular graph was made
when the sun was partially obscured by haze or thin cloud. The ratio Rb, for
this graph is 3.17. When the sun is not obscured the ratio
can go as high as 20 or so. As the sun becomes more and
more obscured by cloud the ratio drops, as shown in the graph
at the left side of Figure A6.
The lowest ratio on that
figure is 1.20. The effective width of the gradient region
is indicated as Rs next to each graph. These data and many
more similar data points were used to create Figure A7.
FIGURE A7
In
this discussion I ignore the exact shape of the graph gradient
region in the photos because various photographic and instrumental
effects have doubtless modified its shape. Instead, in the comparisons
described below I use only the effective width of the gradient
on the photos and from graphs such as in Figure A6.
The shadow under the eave of the garage
roof has a brightness gradient with a width determined by the
angular size (width) of the sun, 0.53 degrees (in clear sky), and by the distance
from the edge of the roof to the wall as measured along the (optical)
path from the sun to the wall. The hoax hypothesis is that the
sun was at an angular elevation of B degrees above horizontal.
In this case, from Figure A6, the distance from the
edge to the wall is the slant distance given by
R = L/COS(B), (A - 2)
where COS is the cosine function. There is one further addition
to Equation (A -1) which accounts for the fact that the vertical
wall surface is not perpendicular to the light rays . This makes
the width W slightly greater than if the wall surface were perpendicular
to the light rays. This addition results in the following equation
for Wg which is the width of the gradient region on the garage
wall:
Wg = W/ COS(B) = 2 L TAN(A/2)/COS^2(B). (A - 3)
The distance of overhang of the roof beyond
the wall is not known, but a reasonable estimate based on standard
construction is 6 to 12 inches. Choosing 10" as the distance,
L , and with B = 16 degrees and A = 0.53 degrees , the
width of the gradient region if the sun were the source would
be
Wg,sun = 0.10 inches (A - 4)
(NOTE 2000: measurements I made of the original garage show that
the roof board extended about an inch beyond the end of the eave rafters
which, in turn, extended about 6 inches - horizontal measure - from the wall. Hence
the value of L that should have been used is 7" rather than 10". The
gradient region width would, therefore, be 0.07" rather than the 0.10" calculated above.
The calculated results based on the original assumed distance
are presented here to maintain historical consistancy. The measurement was made May 11, 2000.)
To relate this width on the garage wall
to the width of the gradient region in the image of the garage
wall it is necessary to make use of the geometric relation between
object sizes and image sizes that is established by the (focused)
camera optics:
Wg | | Iw | (A - 5) |
--------- | = | --------- |
Dc | | F |
where Wg is the width of the gradient region regardless of what
the light source was, Dc is the distance from the camera
to the garage wall, Iw is the width of the image of the gradient
region, and F is the camera focal length. In Appendix B I have
shown that the camera was approximately 30 ft from the corner
of the garage . As pointed out in the text, the camera focal
length was about 103 mm. Therefore, using 30 ft = 360 inches,
the width of the image of the gradient region, if the light source
were the sun, would be (after rearranging Equation A -
5 appropriately)
Iw,sun = F (Wg,sun /Dc) = 103 ( 0.1/360) = 0.0286 mm (A - 6)
(NOTE 2000: the preceding calculations based on the assumed focal length has
been presented here to maintain historical context. The more accurate
figures are 0.07" for the roof edge and 100 mm for the focal length. The use of 100 mm makes a trivial difference here.
Using the measured value of 7" as the distance from the edge of the roof to the
wall makes Iw,sun = 0.020 mm)
Now look at the brightness gradient curve
in Figure A5. Note that the width of the gradient region is the
distance from the edge of the low light level region to the edge
of the high light level (unshaded) region . Figure A6 further
illustrates this measurement on actual solar edge gradients measured
using a scanning photometer and graph recorder.
Thus the width Wg,sun can be found by measuring, on the
image of the gradient region, the distance from the maximum brightness
area to the minimum brightness area. Now look at Figure A1A. There
I have indicated the expected gradient curve if the sun were
the source (unobscured sun--solid line) along with the measured
gradient width of about 0.8 mm. Of course the gradient width
which one would measure on the densitometer scan graph depends
upon where one places the maximum and minimum brightness levels
(the unshaded and shaded brightness levels). If we allow for
the possibility that the brightness levels as indicated (solid
horizontal lines) should be moved closer together, then the gradient
width region would be reduced. Perhaps a width as small as 0.3
mm would be barely consistent with the densitometer data. Using
this as a minimum measured value we can write the following equations
for explicit comparison of predicted and measured image widths:
Predicted Iw, sun = 0.029 mm (approx) (NOTE 2000: as pointed out above,
this should have been 0.020 mm) (A-7A)
and
Iw,photo = 0.3 to 0.8 mm (approx) (A-7B)
where Iw,photo is the width of the image of the gradient region on the Trent garage wall.
The conclusion to be reached at this point is that the width of the actual shadow gradient region is
more than ten times greater than the width that is expected if the sun were the light source
in a clear sky.
Effects of Cloud Cover on the Brightness Ratio and on the Effective Angular Size of the Sun
The calculation just completed makes it
clear that the shadow of the edge of the roof could not have
been made by the unobscured sun, which has an effective angular
size of 0.53 degrees . However, the relative brightnesses of
the fully illuminated and fully shaded regions are not very different,
which suggests that if the sun were the light source, it was
partially obscured by clouds. More specifically, when the sun
is not obscured by clouds the brightness of a shaded area (such
as shaded area beneath the roof of the Trent garage) is less
than 1/20 of the brightness of a fully illuminated area (such
as the wall of the Trent garage below the edge of the shadow), i.e.
Rb is greater than 20.
As thin clouds gradually obscure the sun the brightness of the
fully illuminated area drops rapidly, while that of the shaded
area (which is illuminated by skylight and light reflected from
the ground) drops relatively slowly, so that the ratio of the
brightness of the illuminated area to the brightness of the shaded
area decreases as cloud cover increases. In the Trent photos
the ratio of the brightness of the illuminated area of the garage
wall to the brightness of the shaded area under the eave is about
1.75, whereas the same ratio would be greater than 20 if
the unobscured sun were the source. Thus I conclude that, if
the sun were the source, it must have been partially obscured
by clouds. The shadow-gradient width-related question then arises as to whether or not the
effective angular size of the sun is effected by the presence
of clouds. Although this might seem "preposterous" at first thought,
with further though one realizes that small angle forward scattering of light by ice crystals
in the clouds may make the edge of the solar disc more diffuse
(i.e., "blur" the edge) and make it appear to be larger in angular
size than it actually is. A search of the literature failed to locate
any discussion of the effect of thin clouds on the effective width of
the sun so, to answer test this hypothesis I did some
experiments, described above, in which I made a "model" of the garage
wall and used a scanning photometer to scan through the shadow gradient region
created by the edge of a shadow, the eave of the model garage. These and
other experiments indicate that the effective angular size of
the sun (as defined here in terms of the width of the gradient
region) does increase somewhat as cloud cover increases. Figure
A7 illustrates the experimental results. The brightness ratio,
Rb, shrinks from some maximum value (sun unobscured) toward unity
when the sun is completely obscured and there is no shadow. At
this time the whole wall surface is illuminated only by skylight
and ground-reflected light. As Rb shrinks the relative
effective solar diameter, Rs, increases, perhaps reaching a number
as high as 3. For Rb = 1.75, which is the value measured on the
Trent photos (for gamma = 0.6; it would be larger if gamma were
larger), Figure A7 shows that Rs may be as large as 2.5 - 3,
meaning that the effective angular size of the sun might be as
large as 2.5 x 0.53 = 1.3 degrees to 3 x 0.53 = 1.6 degrees.
However, these measurements must be treated cautiously since
instrumental effects and problems with the analysis of the scanning
"brightness meter" data may have made the angular size
ratios in Figure A7 _too_ large. However, assuming the data of
Figure A7 are correct, one can repeat the calculation leading
to the expected image size in Equation (A - 6). Using 1.3
degrees to 1.6 degrees as the effective angular size of
the sun yields
Iw,sun,maximum = 0.072 to 0.086 mm (A-8)
(NOTE 2000: use of 7 inch roof overhang, as described above, yields 0.050 to 0.060 mm)
This range of values predicted for the width
of the gradient region if the sun were the source are still only about
one quarter (NOTE 2000: one fifth) of the minimum estimated
gradient width of the image on garage wall, 0.3 mm. Therefore,
it appears that, even allowing for the possibility that cloud
cover increased the effective angular size of the sun (a hypothesis
which may be totally unique to the research reported here, I
might add!), the light source which made the horizontal shadow
of the edge of the garage roof had a vertical angular size that
was four or more times greater than the largest measured effective
angular size of the sun.
By reversing the procedure and using Equations
(A - 3) and (A - 5) to calculate the angular size of the source
in the vertical direction one finds that the source had an angular
size of more than 5 degrees, with the actual size depending upon
whether the gradient region width on the image is taken to be
0.3 mm or larger (up to 0.8 mm). The low brightness contrast
and the corresponding large gradient region widths of other portions
of the horizontal eave shadow (see Figure A2) confirm the conclusion
that the light source was not as bright as the unobscured sun
and had a vertical angular extent of 5 degrees or more.
The vertical extent of the light source
has been estimated from the width of the horizontal shadow made
by a horizontal edge (i.e., the edge of the roof). It is
also possible to make an estimate of the horizontal extent of
the light source by looking at a vertical shadow, such as is
made by the vertical sides of the ends of the eave rafters (2
x 4's). There are four shadows made by the ends of the four rafters
(only three appear in photo 1). Figure A3 illustrates densitometer
graphs(scans) that were made in a "horizontal" direction
through the ends of the rafters and also through the shadows
of the ends (lower half of Fig. A3). Figures A2 and A4 contain
illustrations of the ends of the eave rafters and of their associated
shadows. Figure A3 shows the rafter shadow densitometer graphs
at the left of their associated rafter end graphs, and it also
shows the rafter shadow graphs below their associated rafter
end graphs. Of particular interest are the relative sizes (widths)
of the rafter end graphs and the shadow graphs. The relative
widths can easily be compared by eye by comparing the width of
the graph of a particular shadow that has been shifted to the
right (see notations on Figure A3) with its associated rafter
end graphs just above it. In general the widths of the shadows
appear to be slightly greater than the widths of the rafter ends.
This is to be expected if the light source has a finite angular
size (i.e., is not a source of zero angular size) as illustrated
in the sketch in Figure A8. With a source of angular size
A , the end of the rafter of width s, and the distance from the
rafter end to the wall equal to R, the total width of the shadow,
from the left side of the penumbra to the right side of the penumbra
is given by
W = 2[(s/2)+ R TAN(A/2)] = s + 2R TAN (A/2). (A - 9)
If we again use ten inches as the distance
of the rafter end from the wall, include the COS(B) factor to
account for the fact that the light source is at an angular elevation
of about 16 degrees, assume the source is the sun (A = 0.53 deg),
and assume that the end of the rafter is 1.5 inches wide (standard
for a so-called "2 x 4," then the total width of the
shadow would be
W = 1.5" +2(10)TAN (0.53/2) / cos(16)) = 1.6 inches (A - 10)
(NOTE 2000: using 6 inches as the extension of the rafter end, which doesn't
extend as far as the edge of the roof, yields W = 1.56 inches)
This assumes an unobscured sun.. If we allow for the possibility
that the effective angular size of the sun had grown by a factor
of three the total width becomes 1.78 inches (NOTE 2000: 1.68
inches). Thus the total width of the shadow of a rafter end is
in the range
Wrafter,sun = 1.6 to 1.8 inches (A-11)
(NOTE 2000: 1.56 to 1.68 inches)
Thus, if the sun were the source the maximum
width of the shadow of a rafter end would be about (1.6/1.5)
= 1.07 to (1.8/1.5) = 1.20 times the width of the rafter end.
(NOTE 2000: 1.04 to 1.12 times the width of the rafter
end.) Therefore, in order to determine whether or not
the sun made the shadows of the rafter end it is only necessary
to compare relative sizes of the shadow and rafter end images.
Referring to Figure A3 we see that for rafter C the ratio is
0.825 mm/ 0.50 mm = 1.65 (using the average between 0.80 and
0.85 mm as the width of the shadow). For rafter B the ratio is
0.55/0.50 = 1.10. Similar measurements using densitometer scans
for Photo 2 yield for rafter D (0.55/0.50) = 1.10; for rafter
C, (0.70/0.40) = 1.75; and for rafter B, (0.60/0.40) = 1.50.
(The comparable data using rafter A and shadow A
have not been used since shadow A is at the edge of the garage
wall and so part of the shadow may have extended beyond the wall
where it could not be registered by the camera. See Fig. A4.
) The average of these ratios is 1.42, which is noticeably larger
than the largest expected value of the ratio if the sun were
the source. The large variability in the measured ratios, ranging
from as low as 1.1 to as high as 1.75 are indicative of the experimental
problems with measuring the widths of images as small as those
of the rafter ends and of the shadows of the rafter ends. In
particular, the contrast between the brightness of the shadows
and of the adjacent illuminated wall is so low that photographic
noise plays an important role in determining the "edges"
of the images of the shadows. Another important
factor in determining the locations of edges is the finite aperture
( slit) size of the scanning densitometer, which tends to blur
out very fine details. However, after taking these effects into
account it seems that the photographic data do indicate
a light source larger in horizontal angular extent than the sun.
By reversing Equation (A - 9) to find A, and using K = W/s ,
it is possible to find A using the calculated values of K given
above:
A = 2 ARCTAN (s (K-1)/2(R) ) (A - 12)
With s = 1.5", R = 10", and K = 1.42 this yields 3.6 degrees,
which is much larger than the effective angular size of
the sun could ever be. Even the lowest ratio values found, 1.10,
correspond to an angular size of about 0.86 deg, which is greater
than that of the unobscured sun (0.53 deg). (NOTE 2000:
using R = 6 inches with s = 1.5 and K = 1.42 yields about 6 degrees.)
Darkened Areas Under the Eave: Possibly Other Shadows
Besides the very apparent horizontal shadow
of the edge of the roof and the shadows of the eave rafters,
there are other darkened areas of the board under the eave .
These darkened areas are on the right hand sides of rafters D,C
and B. They look like what one might expect if there were a somewhat
bright source southeast of the garage causing shadows of the
ends of the eave rafters to appear on the board just under the
eave. This hypothetical "southeast source" would have
been less bright and larger in angular size than the source which
made the shadows which I have discussed in previous sections
of this appendix. On the photos these other "possible shadows"
extend to the right for a considerable distance from rafter D
and from rafter C, and for only a short distance to the right
from rafter B. They are illustrated in Fig. Al. If they are not
shadows but "anomalous" darkenings of the board for
some other reason, then they just happen to be remarkably consistent
with what one might expect if there were a source southeast of
the garage as well as a brighter, smaller source roughly east
of the garage. Needless to say, if the sun were the main source
east of the garage in the morning it seems inconceivable that
there could be another source southeast of the garage that could
be bright enough to create shadows, even if the sun were partially
obscured by a thin cloud. Thus these other darkened areas
argue against the sun as the source which was east of the garage.
On the other hand, there would be no problem with having two
clouds, one south of the other, at sunset causing shadows on
the garage.
There is one further darkening of a board
which appears to be a shadow that would require the source east
of the garage to be very narrow indeed, if it is the shadow of
the protrucing 2 x 4. This darkening runs downward along a vertical
board at the corner of the garage (see Fig A1 and the notation
"Shadow of 'Protruding Rafter?"). This darkening, although
visible in prints and emphasized in the figure, is much fainter
than the shadows of the ends of the eave rafters (that is, there
is less contrast between the brightness of this darkened area
and the illuminated board to its left than there is between the
brightness of a shadow of a rafter end and the illuminated board
adjacent to it). It seems that the width of this vertical shadow
increases with an increase in distance downward along the board.
Such an increase would be consistent with a source larger than
the sun, but the shadow is so faint that it would be difficult
to say just how much wider than the sun. This darkening could
also be the shadow, not of the protruding 2 x 4 rafter, but rather
of the immediately adjacent vertical board to the right of the
shadow that was apparently nailed to the front surface of the
garage and therefore blocks all skylight coming from north of
(roughly) due east.
CONCLUSION
Things may not be what they appear to the
"naked eye". Careful analysis of the shadows under
the eave suggest that they have characteristics that are incompatible
with the sun-shadow hypothesis, but not necessarily incompatible
with a hypothesis which includes one or more bright clouds in
the sky east (and southeast?) of the wall at sunset. As pointed
out in the text of this report, cloud-produced shadows have been
observed (and photographed). Hence cloud-produced shadows
similar to those on the Trent garage wall are not "physically
impossible," as has been claimed by the skeptics.
(NOTE: aerial survey photos obtained
after this analysis was completed show that east of the garage
wall were a chicken house and a pump house and northeast of the
wall was the main house. Each of these buildings would
have blocked some of the skylight which could compete with light
reflected from a cloud. The less skylight there is the
more likely that a bright cloud could cause noticeable shadows.)�
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