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Karl Wilhelm Arthur Heffter by an unknown photographer

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.

PEYOTE: the divine cactus
San Pedro Cactus
Humphry Osmond
Medline Mescaline
Psychoactive Links
Shamanic Sacraments
Bernardino de Sahagun
The Doors Of Perception
Methoxylated Amphetamines
The Heffter Research Insitute
Mescal: A New Artificial Paradise