Jared Frederick is an instructor of history at Pennsylvania State University, Altoona. For five years, he served as a seasonal park ranger at Gettysburg National Military Park, among other duties with the National Park Service. The author of several books and articles, including Images of Modern America: Gettysburg National Military Park and his latest work, Dispatches of D-Day: A People's History of The Normandy Invasion. A proponent of public history, he is involved in many historical organizations and has been a member of the American Battlefield Trust since age 12. Learn more on his website and blog at www.historymatters.biz.