James M. McPherson taught American History at Princeton University from 1962 to 2004. He is now the George Henry Davis '86 Professor of American History Emeritus at Princeton. He is the author of 16 books and the editor of another 10, mostly on the era of the American Civil War. His books have won several prizes, including the Pulitzer Prize in History (1989) for Battle Cry of Freedom: The Civil War Era and two Lincoln Prizes (1998 and 2009) for For Cause and Comrades: Why Men Fought in the Civil War and Tried by War: Abraham Lincoln as Commander in Chief. He is active in the field of historic preservation.