Glenn F. Williams is a historian at the U.S. Army Center of Military History, Fort McNair, Washington, DC. He has served as the historian of the National Museum of the U.S. Army Project, the Army Lewis and Clark Bicentennial Commemoration, and the National Park Service's American Battlefield Protection Program. He is the author of a number of books and articles, including the award-winning Year of the Hangman: George Washington's Campaign against the Iroquois. He holds a PhD in history from the University of Maryland.