David G R KellerDavid Keller is an Adjunct Professor of Ascetical Theology at The General Theological Seminary in New York and Director of the Contemplative Ministry Project. He is the author of Oasis of Wisdom: The Worlds of the Desert Mothers and Fathers (2005), Cme and See: The Transformation of Personal Prayer (2009), and Desert Banquet: A Year Of Wisdom From The Desert Mothers And Fathers (2011). Read More Read Less