John Brewster Hattendorf, D.Phil., D.Litt., L.H.D., FRHistS, FSNR, (born December 22, 1941) is an American naval historian. He is the author, co-author, editor, or co-editor of more than fifty books, mainly on British and American maritime history and naval warfare. In 2005, the U.S. Naval Institute Proceedings described him as "one of the most widely known and well-respected naval historians in the world." In reference to his work on the history of naval strategy, an academic in Britain termed him the "doyen of US naval educators." A Dutch scholar went further to say that Hattendorf "may rightly be called one of the most influential maritime historians in the world."From 1984 to 2016, he was the Ernest J. King Professor of Maritime History at the United States Naval War College in Newport