| Mary Lou Armstrong: | Condon's administrative assistant who resigned in protest. |
| Ted Bloecher: | A NICAP staffer who aided McDonald. |
| John Fuller: | Author of several UFO books and the Look article on the "Low memo." |
| Russ Greenbaum: | The public information officer at the Office of Naval Research. |
| Richard Hall: | Assistant director of NICAP from 1960-69. |
| James Hughes: | McDonald's ONR project monitor. |
| Allen Hynek: | Scientific consultant to Project Blue Book for twenty years and chairman of the Department of Astronomy at Northwestern University. |
| Richard Kassander: | Chairman of the Institute of Atmospheric Physics at the University of Arizona. |
| Donald Keyhoe: | Author of four UFO books and director of NICAP from 1956 until 1969. |
| Philip Klass: | Avionics editor for Aviation Week and Space Technology Magazine and author of a book on UFOs. |
| Gerard Kuiper: | Director of the Lunar Planetary Laboratory at the University of Arizona. |
| Norman Levine: | A professor of Electrical Engineering fired from the Condon Project. |
| Jim and Coral Lorenzen: | Founders of the Aerial Phenomena Research Organization. |
| Robert Low: | Project administrator for the Condon Study at the University of Colorado. |
| Tom Malone: | Chairman of the Committee on the Atmospheric Sciences of the National Academy of Science. |
| Donald Menzel: | Former director of the Harvard Observatory and author of two books on UFOs. |
| Phyllis O'Callaghan: | Administrative assistant to Representative Edward J. Roush of Indiana. |
| Thornton Page: | A professor of astronomy at Wesleyan University and co-organizer of the 1969 AAAS UFO symposium. |
| William Price: | In charge of the contract for the Condon Study at the Air Force Office of Scientific Research. |
| Major Hector Quintanilla: | The Air Force Officer in charge of Project Blue Book. |
| Thomas Ratchford: | With William Price in charge of the contract for the Condon Study for the Air Force Office of Scientific Research. |
| Walter Orr Roberts: | Director of the National Council for Atmospheric Research and president of the American Association for the Advancement of Science. |
| Edward J. Roush: | The member of the House Committee on Science and Astronautics responsible for the 1968 UFO hearings. |
| Carl Sagan: | Professor of astronomy at Harvard and co-organizer of the 1969 AAAS UFO symposium. |
| David Saunders: | A professor of psychology at the University of Colorado who was fired from the Condon Project. |
| Philip Seitz: | President of the National Academy of Sciences. |