Paul R EhrlichPaul R. Ehrlich lives in California, where he is the Bing Professor of Population Studies and the president of the Center for Conservation Biology at Stanford University. He is the author or coauthor of many books, including, The PopulationBomb, The Dominant Animal: Human Evolution and the Environment, and Humanity on a Tightrope: Thoughts on Empathy, Family, and Big Changes for a Viable Future. Read More Read Less