Éliphas Lévi Zahed, born Alphonse Louis Constant, was a French esotericist, poet, and author of more than twenty books about magic, Cabbalah, alchemical studies, and occultism. Considered the most influential occultist of the 19th-century, he pursued an ecclesiastical career in the Catholic Church until, after great personal struggle, at the age of 26, he abandoned the Roman Catholic priesthood. A...