Leary obtained synthesized psilocybin from Hofmann through Sandoz pharmaceutical .
In the early 1960s , Harvard University became a testing ground for psilocybin , through the efforts of Timothy Leary and his associates Ralph Metzner and Richard Alpert ( who later changed his name to Ram Dass ) .
Timothy Leary obtained synthesized psilocybin from Hofmann through Sandoz pharmaceutical .
In the early 1960s , Harvard University became a testing ground for psilocybin , through the efforts of Timothy Leary and his associates Ralph Metzner and Richard Alpert ( who later changed his name to Ram Dass ) .