Paul R. Ehrlich Headshot

Paul R. Ehrlich

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29, 1932
Philadelphia, PA
Birth Sign
29, 1932 (age 89)
Philadelphia, PA


An American biologist and teacher, he is best known for his controversial book, The Population Bomb (1968), which posits that the earth's too- large human population is a threat to our planet's environment and to our own survival as a species. His other published works include Biology and Society (1976) and The Race Bomb (1978).

Before Fame

In 1953, he earned his bachelor's degree in zoology from the University of Pennsylvania. He went on to receive both an M.A. and a Ph.D. from the University of Kansas. He initially trained as an entomologist with a specialty in butterflies (Lepidoptera), and he published his first scientific work, How to Know the Butterflies, in 1960.


He taught for many years in Stanford University's Department of Biological Sciences.

Family Life

He was born in Philadelphia, Pennsylvania. In 1954, he married Anne Fitzhugh Howland; the couple subsequently became parents to a daughter named Lisa Marie.

Associated With

He co-wrote his 1984 work, The Cold and the Dark: The World after Nuclear War, with renowned scientist Carl Sagan.