Jean William Fritz Piaget, epistemólogo, psicólogo y biólogo suizo, creador de la epistemología genética, famoso por sus aportes al estudio de la infancia y por su teoría constructivista del desarrollo de la inteligencia.-- Created using PowToon -- Free sign up at www.powtoon.com/join -- Create animated videos and animated presentations for free. PowToon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume, or anything else you could use an animated explainer video. PowToon's animation templates help you create animated presentations and animated explainer ...