Harold D. Lasswell (1902-1978) served as Ford Foundation Professor of the Social Sciences at Yale University, Distinguished Professor of Policy Sciences at John Jay College of the City University of New York, and as professor of political science at the University of Chicago, all in the USA. He was a past president of the American Political Science Association and author of many books covering the full range of political and policy research. Abraham Kaplan (1918-1993) taught at RAND Graduate School, USA, Harvard University, USA and the University of Hawaii at Manoa. He is widely published, and is perhaps best known for Power and Society , co-authored with Harold D. Lasswell. Ronald D. Brunner is professor emeritus of political science at the University of Colorado-Boulder, USA. His books include Adaptive Governance and Climate Change.