A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Cast:
Penny Patterson, Koko, Saul Kitchener, Carl Pribram, Roger Fouts
Production:
Les Films du Losange, INA
Herself
Himself - Director Emeritus, San Francisco Zoo
Himself - Professor of Neuroscience
Himself