Mark ThurstonMark Thurston, PhD, is a psychologist, author, and educator who worked at Edgar Cayce's A.R.E. and Atlantic University from 1973 - 2008. For the last decade, he has been a faculty member and director of educational programs for George Mason Universit's Center for the Advancement of Well-Being. He is also the author of The Essential Edgar Cayce, and most recently Discovering Your Soul's Purpose (2nd Edition, Penguin, 2017). Read More Read Less