The psychologist Jean Piaget died at the age of 84. Here is all you want to know, and more!
Biography - A Short Wiki
Swiss psychologist who is best known for studying the thought processes of children. The discipline of Genetic Epistemology, which attempts to explain the historical basis and psychological origins of scientific knowledge, was established by him.
He had a son named Laurent, and two daughters named Jacqueline and Lucienne.
“The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.” (Jean Piaget)
“Logic and mathematics are nothing but specialised linguistic structures.” (Jean Piaget)
“Childish egocentrism is, in its essence, an inability to differentiate between the ego and the social environment.” (Jean Piaget)
“The current state of knowledge is a moment in history, changing just as rapidly as the state of knowledge in the past has ever changed and, in many instances, more rapidly.” (Jean Piaget)
“Play is the answer to the question, ‘How does anything new come about?'” (Jean Piaget)