The Substance: Albert Hofmann's LSD (2012)
Genres: Documentary, Biography, History
Actors: Trevor J. Roling, Hanspeter Müller, Mario Scarabelli, Albert Hofmann, Stanislav Grof, Martin A. Lee, James S. Ketchum, Franz X. Vollenweider, Ken Kesey, Carolyn Garcia, Timothy Leary, Ralph Metzner, Nick Sand, Ronald Reagan, John Lennon, Paul McCartney, Mick Jagger, Grat
Directors: Martin Witz