Psychedelic drug advocates

French existentialist philosopher (1905–1980)

Swiss chemist (1906–2008)

American author, philosopher and neuroscientist (born 1967)

British comic book author (born 1953)

American broadcaster, comedian, and actor (born 1967)

Argentine director, screenwriter, cinematographer and film producer (born 1963)

Scottish comic book writer and playwright (born 1960)

Spanish essayist and university professor

Swedish politician

Chilean psychiatrist and author (1932-2019)

German pharmacologist and chemist (1859-1925)

German ethnopharmacologist, anthropologist, author (1957–2022)

Peruvian painter and vegetalista

Israeli psychologist

Colombian anthropologist

Brazilian religion

Italian ethnobotanist