Dennis E. Showalter was a professor of history at Colorado College who specialized in German military history. He was President of the American Society for Military History from 1997 to 2001. He was the winner of the 1992 Birdsall Prize, the 2005 Samuel Eliot Morison Prize and the 2018 Pritzker Literature Award. He also served as a consultant for the Japanese Ministry of Defense, the US Joint Chiefs of Staff, the United States Training and Doctrine Command, and the DOD Office of Net Assessment. He died in 2019.