Category
page 1UFO skeptics
Edward Condon
American physicist (1902-1974)
Donald Howard Menzel
American astronomer (1901–1976)
Philip J. Klass
UFO researcher (1919-2005)
Joe Nickell
American skeptical investigator
James Oberg
American journalist
Robert Sheaffer
American writer
Benjamin Radford
American skeptic
Curtis Peebles
American historian