The Trimates

Dian Fossey and three other ladies have been named as The Trimates or Leakey’s Angels as they each have been sent by Dr Leakey to study a primate each.

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Clockwise from top left: Dr. Louis Leakey, Jane Goodall, Birutė Galdikas, and Dian Fossey. Source: http://www.princesssnapperhead.com/

Jane Goodall were in charge of the chimpanzees, Dian Fossey, the gorillas, and Birutė Galdikas, the orangutans.