Jane Goodall, the famed primatologist and conservationist, died Wednesday at age 91 of natural causes, the Jane Goodall Institute announced on Instagram . She was in California ahead of a planned speaking engagement in Los Angeles, according to the institute.

"Dr. Goodall’s discoveries as an ethologist revolutionized science, and she was a tireless advocate for the protection and restoration of our natural world," the Jane Goodall Institute said.

"Young Jane immersed herself in books about wild animals and dreamed of a life alongside African wildlife like Tarzan and Dr. Dolittle. At the young age of 23, after having spent the past few years as a waitress and secretary, she finally found a way to make her dream a reality," according to her official biography.

Goodall's studies of wild

See Full Page