Jane Goodall, the British primatologist whose groundbreaking research on chimpanzees transformed the field of ethology and inspired generations of conservationists, has died at 91. The Jane Goodall Institute said she died on Wednesday of natural causes while in California for a speaking tour in the United States. “Today, the UN family mourns the loss of Dr. Jane Goodall. Credit: National GeographicBeyond science, Goodall became one of the world’s most prominent environmental advocates, founding the Jane Goodall Institute in 1977 to promote conservation, animal welfare, and community-centered development. “Jane changed the way the world understands animals, people, and the natural world,” The Jane Goodall Institute UK said.