(CALIFORNIA) — Jane Goodall, the famed primatologist, anthropologist and conservationist, has died, according to the institute she founded. She was 91 years old.

Goodall died of natural causes while in California on a speaking tour of the United States, the institute said in a statement on social media on Wednesday.

The British primatologist’s “discoveries as an ethologist revolutionized science, and she was a tireless advocate for the protection and restoration of our natural world,” according to the institute.

Goodall was only 26 years old when she first traveled to Tanzania and began her important research on chimpanzees in the wild. Throughout her study of the species, Goodall proved that primates display an array of similar behaviors to humans, such as the ability to develop indivi

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