Swiss psychologist who’s most widely known for learning the idea processes of kids. The self-discipline of Hereditary Epistemology, which efforts to describe the historic basis and mental origins of medical knowledge, was founded by him. He discovered a whole lot about the cognition of kids and adults while marking cleverness testing. He was the Movie director from the International Bureau of Education and he thought a better education program had the to save culture from collapse. He previously a son called Laurent, and two daughters called Jacqueline and Lucienne. His concepts have frequently been discussed with regards to Sigmund Freud.