Now Playing
Status
Released
Production
Les Films du Losange
Aired
1978-10-11
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
No trailer available.
Herself
Penny Patterson
Koko
Himself - Director Emeritus, San Francisco Zoo
Saul Kitchener
Himself - Professor of Neuroscience
Carl Pribram
Himself
Roger Fouts