Galen Guengerich is senior minister of All Souls Unitarian Church, a historic congregation located on the Upper East Side of Manhattan. He graduated from Princeton Theological Seminary and earned a Ph.D. in theology from the University of Chicago. His sermon at All Souls on the Sunday after 9/11, “The Shaking of Foundations,” was selected as one of seven responses to 9/11, along with speeches by President Bush, Governor Pataki, and Mayor Giuliani, for Representative American Speeches 2001–2002. He is the author of God Revised: How Religion Must Evolve in a Scientific Age and a member of the Council on Foreign Relations.