Home · Events · The Influence of Christianity on America’s Founding: A Conversation with Dr. John Wilsey and Dr. Mark David Hall Audio Player00:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. Download Audio The Influence of Christianity on America’s Founding: A Conversation with Dr. John Wilsey and Dr. Mark David Hall Tweet Share Mark David Hall Herbert Hoover Distinguished Professor of Politics and Faculty Fellow in the William Penn Honors Program at George Fox University. He is the author of a number of books on religion and politics in American life.