Mescaline was first identified as the active principle in the peyote cactus by Karl Wilhelm Arthur Heffter (1859-1925). Leipzig-born Dr Heffter was first chairman of the German Society of Pharmacologists and leading light in the publication of the first Handbook of Experimental Pharmacology. The Heffter Research Institute is named in his honour.
San Pedro Cactus
Bernardino de Sahagun
The Doors Of Perception
The Heffter Research Insitute
Mescal: A New Artificial Paradise