sentences:  Not only was Gibbs one of Oxford's own academic historians, he was one of the few already established historians in Britain to have direct experience of the most recent historical research and writing within the British armed forces.His appointment marked a very important change by which war history became a respectable academic field and allowed Oxford to play a major role in the development of military and strategic studies throughout the Cold War era, providing additionally an important academic link between Oxford and the armed forces.Gibbs's tenure in the chair developed on three lines