Allen C. Guelzo is a New York Times best-selling author, senior research scholar in the Council of the Humanities at Princeton University, and the director of the Initiative on Politics and Statesmanship for Princeton's James Madison Program in American Ideals and Institutions. He has published several works on Civil War-era history, including Robert E. Lee: A Life, Gettysburg: The Last Invasion, Fateful Lightning: A New History of the Civil War and Reconstruction, and Lincoln's Emancipation Proclamation: The End of Slavery in America.