epistemological studies with children.
Born: August 9, 1896 Died: September 16, 1980 (84 years)
He published lots of books about children intelligence.
Identified the stages of mental development,called Schema, and established the fields of cognitive theory and developmental psychology.
Received the Erasmus Prize in 1972
Received the Balzan Prize in 1978
Graduated from The University of Neuchâtel (France school)