Recorded on December 22, 2014
LSD-25, first synthesized in 1938 is so named because it's the 25th in a series of lysergic acid amides which Dr. Hofmann was exploring. It was set aside for five years, and in 1943 a dream inspired Hofmann to revisit it. Through an "accidental observation" from contact with the skin, he discovered the psychedelic effects of LSD and confirmed his discovery through a planned experiment on "Bicycle Day."
An Interview with Albert Hofmann by Michael Horowitz in 1976.