Dennis Showalter, Ph.D., has taught history at Colorado College since 1969 and is a former president of the Society for Military History. He also served as a distinguished visiting professor at both the United States Military Academy and the United States Air Force Academy. The first edition of Showalter's Tannenberg won the prestigious Paul Birdsall Prize for best new book of 1992 from the American Historical Association. His other books include Railroads and Rifles and The Wars of Frederick the Great. He lives in Colorado Springs, Colorado.