John DeSalvo, Ph.D. is director of the Great Pyramid of Giza Research Foundation and Executive Vice-President of ASSIST, an international association studying the Shroud of Turin. He holds a Ph.D. in biophysics and, for more than 30 years, scientifically studied the Shroud of Turin. He is the author of many books, including The Lost Art of Enochian Magic, Andrew Jackson Davis: The First American Prophet and Clairvoyant and Decoding the Pyramids. He lives in Plymouth, Minnesota.