Douglas A SweeneyDouglas A. Sweeney (PhD, Vanderbilt University) is Associate Professor and Chair of the Church History and the History of Christian Thought department and Director of the Center for Theological Understanding at Trinity Evangelical Divinity School. Alen C. Guelzo (PhD, University of Pennsylvania) is the Henry R. Luce Professor of the Civil War Era and Director of the Civil War Era Studies program at Gettysburg College. Read More Read Less