Jean Piaget was born on August 9, 1896 in Neuchatel, Switzerland
and died September 17, 1980. He was an influential experimenter
and theorist in the field of developmental psychology and in the
study of human intelligence. His father was devoted to his
writings of medieval literature and the history of Neuchatel.
Piaget learned from his father the value of systematic work,
even in small matters. His mother was very intelligent,
energetic, and kind, but had a rather neurotic temperament that
made family life troublesome. Her mental health influenced his
studies of psychology and he became interested in psychoanalysis
and pathological psychology. Piaget's godfather was the Swiss
scholar Samuel Cornut who nurtured in him an interest in
philosophy and epistemology during his adolescence. Process of
Cognitive Development which has two major aspects: the coming to
know and the stages that we move through to acquire this
ability. Piaget was an active man throughout his life. He
enjoyed great fame and had many discov