Professor Richard Carwardine MA, DPhil, is president of Corpus Christi College, Oxford and was formerly Rhodes Professor of American History at St Catherine's College, Oxford. Before this he was Professor of American History at the University of Sheffield. He specialises in the early years of the American Republic and the American Civil War. His most well-known work is the 2004 book Lincoln: A Life of Purpose and Power, a political biography which particularly focuses on how Abraham Lincoln mobilised evangelical Protestants to gain support for the Union and emancipation. The book won the Lincoln Prize.