Matthew Fox is author of 30 books on spirituality and culture including “Original Blessing,” “The Coming of the Cosmic Christ,” “The Hidden Spirituality of Men” and “Hildegard of Bingen, A Saint for Our Times: Unleashing Her Power for the 21st Century.” He has co-authored two books with Rupert Sheldrake on spirituality and science, “Natural Grace” and “The Physics of Angels.”