GOODALL IN TANZANIA. PHOTO: MICHAEL NICHOLS/NATIONAL GEOGRAPHIC CREATIVE.

GOODALL IN MISS GOODALL AND THE WORLD OF CHIMPANZEES ON CBS, 1965. PHOTO: CBS/GETTY IMAGES.  

GOODALL IN MISS GOODALL AND THE WORLD OF CHIMPANZEES ON CBS, 1965. PHOTO: CBS/GETTY IMAGES.

GOODALL IN THE REPUBLIC OF CONGO. PHOTO: MICHAEL NICHOLS/NATIONAL GEOGRAPHIC CREATIVE.

CLOCKWISE FROM TOP LEFT: GOODALL IN TANZANIA. PHOTO: GERRY ELLIS/MINDEN PICTURES/NATIONAL GEOGRAPHIC CREATIVE. GOODALL IN THE REPUBLIC OF CONGO. PHOTO: MICHAEL NICHOLS/NATIONAL GEOGRAPHIC CREATIVE. GOODALL IN TANZANIA WITH INFANT CHIMPANZEE. PHOTO: HUGO VAN LAWICK/ NATIONAL GEOGRAPHIC CREATIVE. GOODALL WITH CHIMPANZEE, 1972. PHOTO: ©BETTMANN/CORBIS. GOODALL WITH CHIMPANZEE IN TANZANIA. PHOTO: HUGO VAN LAWICK/NATIONAL GEOGRAPHIC CREATIVE. HUGO VAN LAWICK, GOODALL, AND THEIR SON, GRUB, IN TANZANIA, C. 1976. PHOTO: CSU ARCHIVES/EVERETT COLLECTION. GOODALL IN TANZANIA. PHOTO: HUGO VAN LAWICK/NATIONAL GEOGRAPHIC CREATIVE.