Edouard Bertholet

Edouard Bertholet (1883–1965), known as ''Sar Alkmaion'', was the Grand Master of the Ordre Martiniste et Synarchique (OM&S) from 1953 to 1965. He was preceded by Victor Blanchard, founder of the Order, who was the Grand Master from 1921 till his death in 1965.

A Swiss doctor and a great scholar of Tradition, Bertholet was able to harmonise scientific research with his spiritual interests throughout his life. Provided by Wikipedia