Renowned anthropologist Jane Goodall, one of the world’s leading authorities on primates, died in her sleep from cardiopulmonary arrest while on a speaking tour, a California coroner has revealed.

Goodall, 91, also suffered from epilepsy, a contributing factor, when she passed away on Oct. 1 in Los Angeles, according to a death certificate obtained by TMZ .

Her body was later cremated following her death, the document said . 4

The British-born scientist first ventured to Tanzania in 1960 when she was just 26, launching a legendary groundbreaking career that expanded the world’s understanding of primates and chimpanzees.

Goodall revealed that chimps display many human-like behaviors, and have complex communication systems, can make and use tools and tend to have individual pe

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