Inside the early sixties, Harvard College turned a testing ground for psilocybin, through the attempts of Timothy Leary and his associates Ralph Metzner and Richard Alpert (who later changed his name to Ram Dass). Leary received synthesized psilocybin from Hofmann by means of Sandoz Prescription drugs. Some experiments, such as https://beckettsrpol.blogdigy.com/indicators-on-psychedelic-mushroom-effects-you-should-know-41225343