Penny Patterson
Actor
Francine "Penny" Patterson (born February 13, 1947) is an American animal psychologist. She is best known for teaching a modified form of American Sign Language, which she calls "Gorilla Sign Language", or GSL, to a gorilla named Koko beginning in 1972.
Francine "Penny" Patterson (born February 13, 1947) is an American animal psychologist. She is best known for teaching a modified form of American Sign Language, which she calls "Gorilla Sign Language", or GSL, to a gorilla named Koko beginning in 1972.
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