1. Paul Ehrlich, a Fellow of the American Academy since 1982, is Bing Professor of Population Studies and president of the Center for Conservation Biology at Stanford University. He is the author of numerous publications, including “The Population Bomb” (1968), “The End of Affluence” (with Anne H. Ehrlich, 1974), “Human Natures: Genes, Culture, and the Human Prospect” (2000), and “One with Nineveh: Politics, Consumption, and the Human Future” (with Anne H. Ehrlich, 2004).
2. Marcus W. Feldman, a Fellow of the American Academy since 1987, is Burnet C. and Mildred Finley Wohlford Professor and director of the Morrison Institute for Population and Resource Studies at Stanford University. He has published extensively in scientific journals such as “Science,” “Nature,” and “Evolution.” His current research interests include the evolution of complex genetic systems that can undergo both natural selection and recombination; human molecular evolution; and the interaction of...