is Professor of the History of European International Relations at the University of Cambridge and President of the Project for Democratic Union, which advocates a full political union of the Eurozone on Anglo-American constitutional principles. His research focuses on the history of European foreign policy. He has written a variety of books and articles on this subject. He is the author of “Europe: The Struggle for Supremacy, 1453 to the Present Day” (Penguin Press, 2013) and “The Longest Afternoon: The 400 Men Who Decided the Battle of Waterloo” (Penguin Press, 2014), which is about the King’s German Legion as a prototype for a future European army. His most recent book (with Charlie Laderman) is “’Hitler’s American Gamble. Pearl Harbor and Germany’s March to Global War” (Allen Lane, 2021).