Genre: Dokumentti
Stars: Jean Piaget
miehistö: Jean Piaget (Director), Howard Sayre Weaver (Executive Producer), Claude Stebler (Camera Operator), Joële Van Effenterre (Editor), Herman Wetter (Visual Effects), Marcel Sommerer (Sound)
Maa:
Kieli: Français
Studio:
Runtime: 41 minutes
Laatu: HD
Released: Jan 01, 1977
IMDb: 10
Avainsanat:psychology, biography
