WILLIAM A. PENCAK (1951-2013) was professor emeritus of history at Pennsylvania State University. He is the author of many articles and books, including Pennsylvania: A History of the Commonwealth, and was editor of Pennsylvania History: A Journal of Mid-Atlantic Studies. CHRISTIAN B. KELLER is professor of history in the Department of National Security and Strategy at the United States Army War College, Carlisle, Pennsylvania. He is author of a number of books and articles on the Civil War, including Damn Dutch: Pennsylvania Germans at Gettysburg. BARBARA A. GANNON is assistant professor of history at the University of Central Florida and has written on Pennsylvania and various military history subjects.