Daniel C. Matt has written many books and articles on Jewish spirituality, including Zohar:The Book of Enlightenment and God and the Big Bang. He is a professor of Jewish mysticism at the Center for Jewish Studies, Graduate Theological Union, Berkeley, CA.
Andrew Harvey is the author of "Son of Man" (named one of "Publishers Weekly's" Best Books of 1998) & the bestsellers "The Journey to Ladakh" & "Hidden Journey". With Sogyal Rinpoche, he coauthored "The Tibetan Book of Living & Dying". He lives with his husband, photographer Eryk Hanut, in Nevada near the Mojave Desert.