1 / 9

AP1997

FILE - Jane Goodall kisses Tess, a female chimpanzee, at the Sweetwaters Chimpanzee Sanctuary near Nanyuki, north of Nairobi, on Dec. 6, 1997. (AP Photo/Jean-Marc Bouju, File)

Jane Goodall , the conservationist renowned for her groundbreaking chimpanzee field research and globe-spanning environmental advocacy, has died. She was 91.

The Jane Goodall Institute announced the primatologist’s death Wednesday in an Instagram post. According to the institute, Goodall died of natural causes while in California on a U.S. speaking tour.

Her discoveries “revolutionized science, and she was a tireless advocate for the protection and restoration of our natural world," the Institute said.

While living among chimpanzees in Africa decades ago, Goodall documented the animals using tools

See Full Page