Jane Goodall, the iconic primatologist and conservationist whose groundbreaking research redefined humanity’s understanding of chimpanzees, has died at the age of 91. The Jane Goodall Institute confirmed her passing on Wednesday, attributing it to natural causes during a speaking tour in California. Goodall’s immersive studies in Tanzania during the 1960s revealed that chimpanzees use tools, possess distinct personalities, and exhibit complex emotional and social behaviors—discoveries that blurred the line between humans and animals. Her work not only revolutionized primatology but also inspired global conservation efforts. Goodall’s influence extended beyond academia, as she became a beloved public figure through documentaries, television appearances, and worldwide lectures. Her legacy includes decades of advocacy for environmental protection, animal rights, and humanitarian causes. Tributes poured in from global leaders, including UN Secretary-General António Guterres, who hailed her as a ‘Messenger of Peace.’ Despite the grim realities of the climate crisis, Goodall remained a beacon of hope, urging action and optimism for the future. Her life’s work continues to inspire millions to protect the natural world.