Dion Fortune (1891-1946), founder of The Society of Inner Light, is recognized as one of the most luminous and significant figures of the 20th-century esoteric thought. A prolific writer, pioneer psychologist, and powerful psychic, she dedicated her life to the revival of the Western Mystery Tradition. Other titles by Fortune include "Mystical Qabalah, Psychic Self-Defense, The Sea Priestess", and "Moon Magic".