Jonathan has an honours degree in History and served in the British Army, completing operational tours in Northern Ireland and Bosnia, and latterly acting as a military instructor to friendly governments in the Arabian Gulf. He has written extensively, although not exclusively, on the Second World War, specialising in the fighting on the Eastern Front, and non-Germans who served in the Waffen-SS. A regular expert contributor to all aspects of media, including TV and a range of magazines including History of War, All About History and The Armourer. He also often features on radio; BBC Radio 4, Talk Radio, Newstalk, and in a large number of podcasts, such as [...], History Hack and History Hit. His previous books include 'Death on the Don: The Destruction of Germany's Allies on the Eastern Front' and the best-selling 'D-Day Through German Eyes'.