Allen C. Guelzo is a Senior Fellow of the Claremont Institute, the Henry R. Luce Professor of the Civil War Era, and Director of Civil War Era Studies at Gettysburg College. He is the author of Abraham Lincoln: Redeemer President, which won the Lincoln Prize for 2000, Lincoln’s Emancipation Proclamation: The End of Slavery in America, which won the Lincoln Prize for 2005, and Lincoln and Douglas: The Debates That Defined America, which won the Abraham Lincoln Institute Prize for 2008. His book on the battle of Gettysburg, Gettysburg: The Last Invasion (Knopf, 2013) spent eight weeks on the New York Times best-seller list. Dr. Guelzo holds an M.A. and a Ph.D. in history from the University of Pennsylvania, an M.Div. from Philadelphia Theological Seminary, and an honorary doctorate in history from Lincoln College in Illinois.