Terence McKenna

Terence McKenna (1946–2000) was an American philosopher, ethnobotanist, lecturer, and author known for his advocacy of the responsible use of naturally occurring psychedelic plants and mushrooms. He explored topics such as psychedelic drugs, shamanism, metaphysics, language, and human consciousness. McKenna became a countercultural icon in the 1980s and 1990s and was noted for his intellectually provocative and groundbreaking work.