Martin Thornton is Senior Lecturer in International History and Politics at the University of Leeds in the United Kingdom. He gained his Ph.D. in International Relations at the London School of Economics and Political Science. His publications include biographical studies: Sir Robert Borden: Canada. Makers of the Modern World; Times of Heroism, Times of Terror: American Presidents and Foreign Policy During the Cold War, 1945-1991; and he is editor of Nancy Astor's Canadian Correspondence, 1912-1962.