British primatologist Jane Goodall, who studied chimpanzees and became a renowned wildlife crusader, has died aged 91, her institute said on October 1, 2025. Image: Hector RETAMAL / AFPWorld leaders and environmental advocates paid tribute to renowned British chimpanzee expert Jane Goodall after she died at the age of 91. “I’m deeply saddened to learn about the passing of Jane Goodall, our dear Messenger of Peace,” he added, referencing the honorary position Goodall held since 2002 at the global body for her conservation work. ‘Search for humanity’“Above all, Jane taught us that when we search for humanity in the natural world around us, we discover it within ourselves,” former US president Joe Biden said. Jane Goodall was a gifted scientist and trailblazer who forever changed the way we view our fellow animals,” said PETA Founder Ingrid Newkirk.