UFO writers

British writer and philosopher (1931–2013)

Computer Scientist, UFO researcher

Swiss author and founder of FIGU Organization

Roman historian and writer

Soviet pilot, writer and ufologist (1931-2017)

Argentine Trotskyist (1912-1981)

German historian, journalist and author

Mexican journalist, television personality and ufologist

Uruguayan writer, essayist, actor, parapsychologist, and UFO researcher (1928–2019)

French writer on UFOs (1919–1992)

British UFO writer

British writer and historian (1937–2015)

British researcher and author on the subject of UFOs

French writer

Chinese astonomer

Estonian writer and ufologist (born 1949)

British writer

British writer (1913–1989)

South African alien contactee claimant (1910–1994)

UFO writer (1925–2016)

French sociologist, essayist and ufologist

Peruvian ufologist