John Keegan is the Defence Editor of the Daily Telegraph and Britain's foremost military historian. The Reith Lecturer in 1998, he is the author of many bestselling books including The Face of Battle, Six Armies in Normandy, Battle at Sea, The Second World War, A History of Warfare (awarded the Duff Cooper Prize), Warpaths, The Battle for History, The First World War, and most recently, Intelligence in War. For many years John Keegan was the Senior Lecturer in Military History at the Royal Military Academy Sandhurst, and he has been a Fellow of Princeton University and Delmas Distinguished Professor of History at Vassar. He is a Fellow of the Royal Society of Literature. He received the OBE in the Gulf War honours list, and was knighted in the Millennium honours list in 1999. John Keegan died in August 2012.

"Masterpiece...one of those rare books which could still be required reading in its field a hundred years from now." The New Yorker "Our finest military historian has produced a book of breathtaking scope...A tour de force." -- Niall Ferguson Daily Mail "The best book I read in 1993 was A History of Warfare...a dazzling display of historical pyrotechnics." -- Paul Johnson Sunday Times, Books of the Year "Magnificent" Sunday Telegraph