Morton A. Kaplan is Professor Emeritus, University of Chicago, USA. He is an internationally renowned scholar in Political Science and International Relations, and a pioneer in the development of systems theory and its application to world politics. His System and Process in International Politics (1957) is a classic of International Relations theory.
Inanna Hamati-Ataya is Lecturer in the Department of Politics, University of Sheffield, UK.
Patrick A Heelan is William A. Gaston Professor of Philosophy, Georgetown University, USA.