Dr. Joel Cohen
Professor of Populations, Rockefeller University

Joel Cohen has been Professor of Populations and head of the Laboratory of Populations at the Rockefeller University, New York, since 1975. In 1995, he was jointly appointed Professor Populations in the School of International and Public Affairs as part of the Global Systems Initiative at Columbia University, New York.

His most recent book is How Many People Can the Earth Support? (published in December 1995 by W.W. Norton & Company, New York). His earlier books include: A Model of Simple Competition, and Community Food Webs: Data and Theory.

Dr. Cohen received doctorates in applied mathematics (1970) and population sciences and tropical public health (1973) from Harvard University. His research deals mainly with the demography, ecology, population genetics, epidemiology and social organization of human and nonhuman populations and with mathematical concepts useful in these fields.

Dr. Cohen was elected a Fellow of the Mac Arthur Foundation in 1981. In 1972, he received the Mercer Award of the Ecological Society of America for an "outstanding ecological paper published in the previous two years." In 1984, he was named one of "America's Top 100 -aYoung Scientists" by Science Digest.

He serves as a member of Committee on Selection of the John Simon Guggenheim Foundation since 1990, a Director of the National Center for Health Education since 1991, and a member of the editorial board of the American Scholar since 1994, in addition to serving on other boards and committees.

He was elected a Fellow of Harvard University's Society of Fellows (1967), King's College Cambridge (1974), The American Association for the Advancement of Science (1983), the American Statistical Association (1987), and the American Philosophical Society (1994). Dr. Cohen has been a Visiting Professor at the following universities: Stanford University; the National University of San Luis, Argentina; the Central University of Venezuela; the Technion-Israel Institute of Technology; the College of Notre Dame of Maryland.