Len Scott is Emeritus Professor of International History and Intelligence Studies at Aberystwyth University, where he taught for twenty-five years and was Director of the Centre for Intelligence and International Security Studies (CIISS). He also served as Dean of the Social Science Faculty for ten years. During the 1980s, he worked for four years as political adviser to the Shadow Foreign Secretary, Rt Hon Denis Healey MP, and then in Whitehall as a civil servant in Her Majesty’s Treasury. Professor Scott has published extensively on Cold War history, nuclear weapons, and secret intelligence. His writing on the Cuban missile crisis includes The Cuban Missile Crisis and the Threat of Nuclear War: Lessons from History (Bloomsbury, 2007); An International History of the Cuban Missile Crisis: A 50-year Retrospective [co-edited with David Gioe and Christopher Andrew] (Routledge, 2014) and The Cuban Missile Crisis: A Critical Reappraisal [co-edited with R. Gerald Hughes] (Routledge, 2015). Professor Scott is a Fellow of the Learned Society of Wales and a Fellow of the Royal Historical Society.