Professor Emeritus


University of Delaware
Newark, DE 19716


Ray Callahan taught at UD for 38 years and served as director of the Master of Arts in Liberal Studies program and as associate dean of the College of Arts and Sciences. He held the John F. Morrison Chair of Military History at the U.S. Army’s Command and General Staff College and is a Fellow of the Royal Historical Society. 

An expert on military history, Callahan has authored six booksHis most recent work, Triumph at Imphal-Kohima: How the Indian Army Finally Stopped the Japanese Juggernaut, was named one of the five best new books in World War II history in 2017. His doctoral and master’s degrees are from Harvard University; bachelor’s degree is from Georgetown University.