John M. Whiteley is Professor of Social Ecology at the University of California, Irvine. He is the coauthor of Critical Masses: Citizens, Nuclear Weapons Production, and Environmental Destruction in the United States and Russia (MIT Press, 1999).
Helen Ingram is Research Fellow at the Southwest Center, University of Arizona, and Professor Emeritus at the University of California, Irvine. She is the author or editor of many books, including Reflections on Water: New Approaches to Transboundary Conflicts and Cooperation (MIT Press, 2001).