- male, 103 years old
- Albert Hofmann (January 11, 1906 – April 29, 2008) was a Swiss scientist best known for synthesizing Lysergic acid diethylamide (LSD). Hofmann au...
- male, deceased (1996)
- Timothy Francis Leary, (October 22, 1920 - May 31, 1996) was an American writer, psychologist, advocate of psychedelic drug research and use, and...
- male, 78 years old
- Stanislav Grof is one of the founders of the field of transpersonal psychology and a pioneering researcher into the use of altered states of...
- male, deceased (1981)
- Michael Bernard Bloomfield (July 28 1943 - February 15 1981) was an American musician, guitarist and composer, born in Chicago, Illinois, into a...
- male
- Ralph Metzner Ph.D., born 1936 in Germany, is an American psychologist, writer and researcher, who participated in psychedelic research at Harvard...
- male, deceased (1953)
- Frank Olson (died November 28 1953) was a U.S. Army scientist at the top secret Special Operations Division at Fort Detrick in Frederick, Maryland,...
- male
- Martin A. Lee is an author and activist who has written books and articles on far-right movements, terrorism, media issues and drug politics. Lee...
- male, 74 years old
- Owsley Stanley (b. Augustus Owsley Stanley III, January 19, 1935, also known as Owsley or Bear) was an "underground" LSD chemist, the first to...
- male, 73 years old
- Wavy Gravy is a life-long activist for peace and personal empowerment, best known for his hippie appearance, personality, and beliefs. His moniker...
- male, deceased (2004)
- Humphry Fortescue Osmond (July 1, 1917 - February 6, 2004) was a British psychiatrist, known for coining the word "psychedelic" and for his...
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