Jane Goodall, internationally renowned primatologist and conservationist, has died at age 91. Best known for her pioneering work at Tanzania’s Gombe National Park, she transformed primatology by demonstrating chimpanzee tool use and social behaviors, challenging human-animal boundary concepts. Goodall’s approach humanized animal research, inspiring generations of women scientists and activists. She founded the Jane Goodall Institute to advance animal welfare and conservation globally. Her legacy includes altering scientific paradigms about emotion, culture, and intelligence in primates while advocating for environmental protection and animal rights.