Jean Piaget
Title: Professor Emeritus Jean Piaget
Birthdate: August 9, 1896
Birthplace: Neuchâtel, Switzerland
Date of Death: September 16, 1980
Occupation: Author, Biologist, Philosopher, and Psychologist
Profile: Best known for his theory of cognitive development.
Website: http://www.piaget.org/
Number of Quotes: 1
The child's first year of life is unfortunately still an abyss of mysteries for the psychologist.