Portal:Environment/Selected biography/15

Paul Ralph Ehrlich (born May 29, 1932 in Philadelphia, Pennsylvania) is currently the Bing Professor of Population Studies in the department of Biological Sciences at Stanford University. He received his Ph.D. in 1957 from the University of Kansas. He is a renowned entomologist specializing in Lepidoptera (butterflies). He is also well known as a researcher and author on the subject of human overpopulation notably for his 1968 book The Population Bomb. In the years since many of Ehrlich's predictions have proven incorrect, but he stands by his general thesis that the human population is too large and is a direct threat to human survival and the environment of the planet.