Back Jean Piaget Afrikaans جان بياجيه Arabic جان بياجيه ARZ Jean Piaget AST Jan Piaje Azerbaijani ژان پیاژه AZB Жан Піяжэ Byelorussian Жан Пиаже Bulgarian जीन पियाजे Bihari জঁ পিয়াজে Bengali/Bangla
Jean Piaget (9 August 1896 - 16 September 1980) was a Swiss developmental psychologist. He is famous for his work with children and how they learn. He started a type of study called "genetic epistemology", which is about where knowledge comes from.