Heim cultivated the mushrooms in France and sent samples for analysis to Albert Hofmann, a chemist employed through the Swiss pharmaceutical enterprise Sandoz (now Novartis). Hofmann—who had synthesized lysergic acid diethylamide (LSD) in 1938—led a investigation group that isolated and discovered the psychoactive alkaloids psilocybin and psilocin from Psilocybe mexicana, https://charlesf628nku2.ktwiki.com/user