Jean Piaget
Jean Piaget was a Swiss psychologist known for his work on child development. Piaget's theory of cognitive development and epistemological view are together called "genetic epistemology".
From *.wikipedia.org,
General Info
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Male
Full Name
Jean William Fritz Piaget
Date of Birth
August 9th, 1896
Age
129
Date of Death
September 16th, 1980
Died Aged
84
Star Sign
Leo
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