American philosopher and ethnobotanist who developed the ideas of Novelty Theory and Machine Elf.
He studied at the University of California, Berkeley, and began studying psychedelic literature around 1963.
He held lectures on psychedelic substances during the 1980s. He was inspired by The Doors of Perception and Heaven and Hell by Aldous Huxley.
He was married to Kathleen Harrison for 16 years. They wed in 1985.
He was influenced by William Blake.