Gary Sheffield is an English academic at the University of Wolverhampton and a military historian. He has published widely, especially on the First World War, and contributes to many newspapers, journals and magazines. He frequently broadcasts on television and radio. Sheffield studied history at the University of Leeds under Edward Spiers and Hugh Cecil. He followed his basic degree course with a research MA. In 1985, he became a lecturer in War Studies at the Royal Military Academy Sandhurst, and studied at King's College, London under Brian Bond for a part-time PhD awarded in 1994. In 1999 he became a senior lecturer in the Defence Studies Department of King's College London and Land Warfare Historian on the Higher Command and Staff Course at the UK's Joint Services Command and Staff College. In 2005 he was appointed Professor of Modern history at King's College London. In 2006, Sheffield was appointed Professor of War studies at the University of Birmingham. He is currently researching a study of the British and Commonwealth soldier in the Second World War, provisionally entitled Citizen Army. Sheffield is variously credited as Gary Sheffield, G. Sheffield and G. D. Sheffield.