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1978 Laureate, Science & HealthUnited States, Born 1947
Koko, kitten Momo and Francine Patterson.
Photo: Courtesy of Francine Patterson Reference: RAE76FP_01
Hawaii, an ideal home for Koko.
Photo: Courtesy of Francine Patterson Reference: RAE76FP_02
Koko elicits a laugh from Francine Patterson as they play with a toy dinosaur. Patterson describes her work with the gorillas as "the best thing that ever happened to me".
Photo: ©Rolex Awards/Ronald Cohn Reference: RAE76FP_03
Sign language overcoming the barriers between human and gorilla.
Photo: Courtesy of Francine Patterson Reference: RAE76FP000
Francine Patterson, a Laureate of the 1978 Rolex Awards.
Photo: Courtesy of Francine Patterson Reference: ron16
Koko signs "smoke" to Patterson who is holding a kitten named "Smoky".
Photo: ©Rolex Awards/Ronald Cohn Reference: RAE76FP_17
Koko has demonstrated that gorillas can learn sign vocabulary.
Photo: ©Rolex Awards/Ronald Cohn Reference: RAE76FP_19
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