- Graham T. Allison is Douglas Dillon Professor of Government and Director of the Belfer Center for Science and International Affairs. From 1977 to 1989 Allison served as Dean of the Kennedy School. In the first term of the Clinton administration, Allison served as Assistant Secretary of Defense for Policy and Plans, where he coordinated Department of Defense strategy and policy toward Russia, Ukraine, and the other states of the former Soviet Union. His publication Essence of Decision: Explaining the Cuban Missile Crisis was recently released in an updated and revised second edition and ranks among the best-sellers in political science with more than 350,000 copies in print. Other publications include Avoiding Nuclear Anarchy: Containing the Threat of Loose Russian Nuclear Weapons and Fissile Material,Realizing Human Rights: From Inspiration to Impact, and Nuclear Terrorism: The Ultimate Preventable Catastrophe.