American parapsychologists
Category: American parapsychologists
Helen Hadsell
Contesting personality and public speaker
Alexander J. McIvor-Tyndall
English-American mentalist
Edward Francis Kelly
American professor
Stanislav Grof
Czech pychiatrist
Cleve Backster
Introduced polygraph or "lie-detector" tests, worked in the CIA. Later performed experiments and theorized "plant perception".
Edgar Mitchell
American astronaut