Paul R. Ehrlich

American biologist (1932–2026) Paul EhrlichEhrlich in 1974BornPaul Ralph Ehrlich(1932-05-29)May 29, 1932Philadelphia, Pennsylvania, U.S.DiedMarch 13, 2026(2026-03-13) (aged 93)Palo Alto, California, U.S.EducationUniversity of Pennsylvania (BA)University of Kansas (MA, PhD)Known forThe Population Bomb (1968)Simon–Ehrlich wagerSpouse Anne Howland ​(m. 1954)​Children1AwardsCrafoord Prize (1990)Heinz Awards (1995)Tyler Prize for Environmental Achievement (1998)Fellow of the Royal Society (2012)Scientific careerFieldsEntomologyPopulation studiesWorkplacesStanford UniversityThesisThe Morphology, Phylogeny and Higher Classification of the Butterflies (Lepidoptera: Papilionoidea) (1957)Doctoral advisorCharles Michener Paul Ralph Ehrlich (May 29, 1932 – March 13, 2026) was an American biologist, author, and environmentalist known for his predictions and warnings about the consequences of population growth, including famine and resource depletion. Ehrlich was the Bing Professor of Population Studies of the Department of Biology of Stanford University. He started working at Jasper Ridge Biological Preserve in 1959. He along with many other biology professors, led the efforts for Sta