•
George Adamski 1891–1965), controversial UFO contactee and known hoaxer of the 1950s, wrote several bestselling books about his encounters with friendly "space brothers" from other planets. •
Orfeo Angelucci (aka, Orville Angelucci) (1912–1993), one of the most unusual of the mid-1950s UFO contactees. •
Stephen Bassett (1946), UFO advocate and lobbyist •
Art Bell (birth name: Arthur William Bell, III) (1945–2018), U.S. radio broadcaster and author, known primarily as the founder and longtime host of the paranormal-themed radio program
Coast to Coast AM. •
William J. Birnes, American writer, editor, book publisher and literary rights agent. He is best known as an active publisher of UFO literature (UFO Magazine) and is a New York Times bestselling author. •
Jerome Clark (b. 1946), UFO historian, author of the
UFO Encyclopedia •
Philip J. Corso (1915–1998), Army Military Intelligence officer, wrote highly disputed book on
Roswell incident. •
Robert Dean (1929–2018), ufologist, reportedly read a document called
An Assessment (1964), a NATO report on UFOs prompted by an incident on February 2, 1961, during which 50 UFOs allegedly appeared over Europe. •
Tom DeLonge (b. 1975), current singer and guitarist of
blink-182 and founder of To the Stars Academy of Arts and Sciences •
Glenn Dennis (1925–2015), founder of the
International UFO Museum and Research Center in Roswell, New Mexico, which opened in September 1991. Dennis is a self-professed witness to the Roswell incident (1947). •
Danielle Egnew (b. 1969), American
Psychic /
Medium and Paranormal Radio, TV and Film host. Contactee who regularly reports on first-hand communication with extraterrestrial species along with detailed physics / design of extraterrestrial propulsion systems. •
Luis Elizondo is an American author, media personality, and
UFO disclosure activist who wrote the 2024 book ''Imminent: Inside the Pentagon's Hunt for UFO's''. •
Raymond E. Fowler (b. 1934), long-time UFO investigator, details one of the best multiple witness alien abduction cases on record, author of
The Andreasson Affair and
The Allagash Abductions. •
Daniel Fry (1908–1992), American
contactee who claimed he had multiple contacts with
an alien and took a ride in a remotely piloted alien spacecraft on July 4, 1949. •
Steven M. Greer (b. 1955), American physician known as a proponent of
openness in government, media and corporations when it comes to advanced technologies that he and others believe to have been shelved and hidden from public awareness for reasons of
profit and
influence. •
Richard H. Hall (1930–2009), former assistant Director of
NICAP in the 1960s, former director of the
Fund for UFO Research in the 1980s. •
Charles I. Halt (b. 1939), retired USAF Colonel who was a key figure in the
Rendlesham UFO incident in 1980. •
Robert L. Hastings (b. 1950), author and photographer, investigator of UFOs appearances around nuclear facilities. •
Allan Hendry (b. 1950), astronomer, full-time UFO investigator for the
Center for UFO Studies in the late 1970s and early 1980s. •
Budd Hopkins (1931–2011),
alien abduction researcher. •
J. Allen Hynek (1910–1986), astronomer, consultant to
Project Blue Book (USAF). Founded CUFOS (
Center for UFO Studies). •
David M. Jacobs (b. 1942),
alien abduction researcher. •
Morris K. Jessup (1900–1959), photographer, probably best remembered for his pioneering ufological writings and his role in uncovering the so-called
Philadelphia Experiment. •
Leslie Kean, investigative journalist and author who is most notable for books about
UFOs and the
afterlife. •
John Keel (birth name: Alva John Kiehle) (1930–2009), journalist, investigated the famous
Mothman Sightings in West Virginia in 1966 and 1967. •
Donald Keyhoe (1897–1988), aviator and Marine Corps officer, was the leader of
NICAP, the largest civilian UFO research group in the U.S., in the 1950s and 1960s. •
Philip J. Klass (1919–2005), senior editor of
Aviation Week and Space Technology, leading UFO skeptic/debunker from mid-1960s until his death in 2005. •
George Knapp (b. 1952), American
investigative journalist. •
Kevin H. Knuth, associate professor of physics at University at Albany, editor-in-chief of
Entropy scientific journal, author of
"Estimating Flight Characteristics of Anomalous Unidentified Aerial Vehicles" – scientific paper based on US Navy personnel UFO observations •
Bob Lazar (b. 1959), owner of a mail-order scientific supply company who claims to have worked from 1988 until 1989 at an area called
S-4 (Sector Four). •
Avi Loeb (b. 1962),
Israeli-American
theoretical physicist who works on
astrophysics and
cosmology, Professor of Science at
Harvard University. In 2018, he attracted media attention for suggesting that alien space craft may be in the
Solar System, using the anomalous behavior of
ʻOumuamua as an example. He also claims that
UFO needs serious scientific study, as part of
SETI research •
Bruce Maccabee (1942–2024), retired US Navy optical physicist, has analyzed numerous UFO videos and photos. •
John E. Mack (1929–2004),
Harvard psychiatrist/professor, alien abduction researcher. •
James E. McDonald (1920–1971), physicist and professor of meteorology at the
University of Arizona. Noted critic of the
Condon Report. •
Jim Marrs (1943–2017), conspiracy theorist, news reporter, college professor, and author of books and articles on a wide range of assorted
conspiracy theories. •
Riley Martin (1946–2015), self-described alien contactee, author, and radio host. •
Donald Howard Menzel (1901–1976), professor of astronomy at
Harvard University, leading UFO skeptic of the 1950s and 1960s. •
James W. Moseley (1931–2012), editor of
Saucer Smear, long-time observer, author and commentator of the UFO phenomena. •
Linda Moulton Howe (b. 1942), journalist known for investigating
cattle mutilations. •
George Noory (b. 1950), broadcaster of the popular "Coast to Coast" radio broadcast; the program discusses paranormal events. •
Curtis Peebles (1955–2017), aerospace historian for the
Smithsonian Institution, also a leading UFO skeptic. •
Kevin D. Randle (b. 1949), captain in the US Air Force Reserves; also a leading investigator of the
Roswell incident in 1947. •
Edward J. Ruppelt (1923–1960), Air Force captain who supervised
Project Blue Book, the Air Force's official study of the UFO phenomenon in the 1950s and 1960s. •
Harley Rutledge (1926–2006), solid-state physicist,
Southeast Missouri State University. •
Robert Salas, former U.S. Air Force officer •
Jack Sarfatti (b.1939) PhD physicist (University California degree) See David Kaiser's
How the Hippies Saved Physics. Numerous videos on YouTube on UFO time travel physics manipulating spacetime with small amounts of stress-energy density. Alleged NHI contactee in 1953 with conscious AI from the future. •
Robert Sheaffer (b. 1949), member of
CSICOP's UFO subcommittee, a leading UFO skeptic/debunker. •
Whitley Strieber (b. 1946), author of
Communion, UFO researcher, paranormal phenomena expert, and alleged abductee. •
Leonard H. Stringfield (1920–1994), American ufologist who took particular interest in crashed flying saucer stories. •
Chan Thomas (1920–1998) author on ancient cataclysms who researched purported UFO technology for
McDonnell Douglas in the 1960s, and whose ideas went on to influence conspiracy theorists in the 2020s. == See also ==