John B. Hattendorf is the Ernest J. King Professor Emeritus of Maritime History at the U.S. Naval War College. He is currently a Visiting Research Scholar at the College's eponymous John B. Hattendorf Centre for Maritime Historical Research. A former U.S. Naval officer, he earned his degrees in history from Kenyon College (A.B., L.H.D.), Brown University (A.M.), and Pembroke College, University of Oxford (D.Phil., D.Litt.). The author, editor, co-author, or co-editor of more than fifty books, his numerous awards include the Caird Medal of the National Maritime Museum, Greenwich (2000), the American Library Association's Dartmouth Medal (2007), the U.S. Navy's Distinguished Civilian Service Medal (2016), the Anderson Medal for Lifetime Achievement from the Society of Nautical Research (2017), and the Gold Medal of the Royal Swedish Society for Naval Sciences (2025).