Overview:
A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Revenue:
$N/A
Date Released:
10/11/1978
Penny Patterson
Herself
Koko
Herself
Saul Kitchener
Himself - Director Emeritus, San Francisco Zoo
Carl Pribram
Himself - Professor of Neuroscience
Roger Fouts
Himself