Jean Piaget

Intelligence is what you use when you don't know what to do

Date of Birth and Death

Birth: August 9, 1896
Death: September 16, 1980 at the age of 84

Background Information

College: Received Ph.D in Zoology from University of Neuchatel in 1918
Field of Study: Development Psychology, and Epistemology
Family: Wife Valentine Chatenay, Three Children

Contribution to Psychology

  • Identified the four mental stages to child development, also known as Schema
  • Creator of the Theory of Cognitive Development
  • Dealt mainly with how children develop their thinking abilites