Thomas HatsisThomas Hatsis is a historian of psychedelia, witchcraft, magic, pagan religions, alternative Christianities, and the cultural intersection of those areas, who holds a master's degree in history from Queens College. The author of The Witches' Ointmnt and Psychedelic Mystery Traditions, he runs psychedelichistorian.com, a site dedicated to promoting the latest and best information pertaining to the Psychedelic Renaissance. He lives in Portland, Oregon. Read More Read Less