Zia Mian is co-director of Princeton University’s Program on Science and Global Security, where he also directs the Project on Peace and Security in South Asia. M V Ramana is the Simons Chair in Disarmament, Global and Human Security at the Liu Institute for Global Issues in the School of Public Policy and Global Affairs at the University of British Columbia in Vancouver, Canada. Abdul H Nayyar is a physicist and a founder and former President of the Pakistan Peace Coalition, a national network of peace and justice groups.