Penny Patterson
Herself
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Release Date | 1978-10-11 |
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Runtime | 1h 25m |
Directors | Barbet Schroeder, Néstor Almendros, George Paul Csicsery |
Producers | Dale Djerassi, Barbet Schroeder, Margaret Ménégoz |
Writer |