Christian Rätsch - Psychoactivity, the Fountain of Culture (1998 video)

"Psychoactivity, The Fountain of Culture was a talk given by Christian Rätsch on October 2, 1998 at the Royal Tropical Institute of Amsterdam at the Psychoactivity Conference. (October 1-4, 1998 — Amsterdam, The Netherlands) (Of interest to certain crypto-hominid enthusiasts."