Daniel G. Hummel is a historian of US religion and the author of Covenant Brothers: Evangelicals, Jews, and U.S.-Israeli Relations. He works at Upper House, a Christian study center located on the campus of the University of Wisconsin-Madison.
Mark A. Noll is the Francis A. McAnaney Professor Emeritus of History at the University of Notre Dame. His other books include A History of Christianity in the United States and Canada, America's God: From Jonathan Edwards to Abraham Lincoln, and Turning Points: Decisive Moments in the History of Christianity.