Psychonautics researchers

Welsh physicist

American psychologist (1920–1996)

American ethnobotanist and mystic (1946–2000)

Czech pychiatrist

English biochemist, author and parapsychological researcher (*1942)

American spiritual teacher, author and psychologist

Hungarian musician and philosopher

American author, journalist, activist, and professor of journalism (b. 1955)

American ethnobotanist (1915-2001)

American physician (1915-2001)

American founder of The Monroe Institute (1915–1995)

German psychologist (1936–2019)

American ethnobiologist (1898-1986)

British psychiatrist (1917-2004)

American experimental psychologist (1937-)

religious studies scholar (1919-2016)

American botanist

Canadian anthropologist

US physician and writer; alternative medicine advocate

Brazilian author and psychical researcher

British activist

American-Canadian psychologist

Psychedlic Visionary (1941-2017)

American drug researcher

Israeli psychologist

American psychologist

anthropologist (1911–1996)

Colombian anthropologist

American drug researcher

German psychologist (1899–1979)

British writer and academic (1889–1971)

American parapsychologist (born 1932)