David Reynolds is a Professor of International History and a Fellow of Christ's College, Cambridge. He has held visiting posts at Harvard, Nebraska and Oklahoma, as well as at Nihon University in Tokyo and Sciences Po in Paris. He was awarded the Wolfson History Prize, 2004, and elected a Fellow of the British Academy in 2005. He teaches and lectures both undergraduates and postgraduates at Cambridge University, specialising in the two world wars and the Cold War. Since October 2013 he has been Chairman of the History Faculty at Cambridge. In addition to teaching Reynolds has made nine documentaries on 20th Century history for the BBC, most recently World War Two: 1941 and the Man of Steel and World War Two: 1942 and Hitler's Soft Underbelly, both directed by Russell Barnes. He was also the writer and presenter of the award-winning ninety-part series on BBC Radio 4 America, Empire of Liberty.