Who among the following is a famous conservationist known for their 45-year study of chimpanzees?

Jane Goodall is the famous conservationist and primatologist known for her long-term study of chimpanzees in Tanzania. Her research began in 1960 and continued for decades, making her closely associated with the 45-year study described in the question. Rachel Carson is known for her environmental writing, while Harrison Ford and Natalie Portman are not known for this chimpanzee research.

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