Dian Fossey (January 16, 1932 – December 26, 1985) was an American zoologist. She is best known for studying gorillas in Rwanda.

Fossey was inspired by a book called The Mountain Gorilla by George Schaller. Fossey studied mountain gorillas in Rwanda because of the book. When people want to get close to gorillas and get to know them they have to gain the gorillas trust. Fossey changed her lifestyle to match the gorillas’. She wanted to protect the gorillas from hunters. Hunters were going into places where to one was allowed to hunt. She also wanted to protect the endangered animals in the area, even though some people didn’t agree with her ideas. She is a hero to many people for what she did to help mountain gorillas. There is a movie that was made based on what she experienced in Africa. The movie is called Gorillas in the Mist. Her book, also named Gorillas in the Mist, is the best-selling book on gorillas of all time.

She is recognized for saving mountain gorillas and starting a successful fund to help raise money for gorillas everywhere.