



Remembering those we recently lost
William Gutierrez planted a tree
A journey through significant moments.
Paul Ralph Ehrlich was born, beginning a life that would profoundly impact environmental science and public awareness.
Ehrlich earned his Ph.D. in entomology, laying the foundation for his extensive research career.
Ehrlich began his long and distinguished tenure at Stanford, where he would become a full professor and Bing Professor of Population Studies.
With Peter H. Raven, Ehrlich published a seminal paper that popularized the concept of coevolution in biology.
Ehrlich, with Anne H. Ehrlich, released his highly controversial and bestselling book, sparking global debate on overpopulation.
Ehrlich established the center at Stanford to advance interdisciplinary research in conservation.
Recognized for his groundbreaking work in ecology, Ehrlich received the prestigious Crafoord Prize.
Paul Ralph Ehrlich died, leaving behind a monumental legacy in environmental science and advocacy.