…who What is this? Lysergic acid, LSD-25 is its short name. It was discovered about 11, 12 years ago by Hoffman in Switzerland and has been experimented with since. Well, it's an extraordinary drug. It produces almost identical symptoms with mescaline,…

…since. Well, it's an extraordinary drug. It produces almost identical symptoms with mescaline, which is the derived from ergot. And Hoffman was one of the researchers of the Sonders company in Switzerland, which makes all the ergot drugs. And he discovered…

…lysergic acid, the most recent of them being the active principle of the sacred Mexican mushroom, which was synthesized by Hoffman in Basel in Switzerland. My friend, Professor Roger Haim of Paris, the mycologist, He told me that he'd recently returned…

…from Mexico and had gone down to visit an old witch-doctorist friend there, bringing her a number of the pills which Hoffman had synthesized and had given her some of these pills, which she'd taken and was quite delighted because they produced exactly…