Violet Mary Firth Evans (better known as Dion Fortune), was a British occultist and author. Her pseudonym was inspired by her family motto "Deo, non fortuna" (Latin for "by God, not fate").From 1919 she began writing a number of novels and short stories that explored various aspects of magic and mysticism, including The Demon Lover, The Winged Bull, The Goat-Foot God, and The Secrets of Dr. Tavern...