Galen Guengerich, Ph.D., is Senior Minister of All Souls Unitarian Church in Manhattan and author of God Revised: How Religion Must Evolve in a Scientific Age (Palgrave Macmillan). Raised Conservative Mennonite, he studied classics at Franklin and Marshall College, received his M.Div. from Princeton Theological Seminary, and went on to earn a Ph.D. in theology from the University of Chicago. His doctoral dissertation is titled Comprehensive Commitments and the Public World: Tillich, Rawls and Whitehead on the Nature of Justice. His sermon at All Souls on Sept. 16, 2001 (the Sunday after 9/11), titled “The Shaking of the Foundations,” was selected for inclusion in Representative American Speeches 2001-2002.