Professor Smyth specializes in the field of modern international relations, particularly concentrating upon the diplomacy and strategy of the Great Powers during the 1930s and 1940s. Amongst his publications in this area are Diplomacy and Strategy of Survival: British Policy and Franco’s Spain, 1940-41 (1986) and (editor), British Documents on Foreign Affairs, Western Europe: 1940-1945, 8 vols. (1998); and British Documents on Foreign Affairs,Europe: 1946-1950, 27 vols. (2000 – 2003). He also has an interest in the history of modern European integration and his publications in that field include Spain, the EEC and NATO (with Paul Preston; 1984).
- Deathly Deception: The Real Story of Operation Mincemeat. (Oxford University Press : 2010)
- PhD, University of Cambridge