Jean William Fritz 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.
Bust of Jean Piaget in the Parc des Bastions, Geneva
Photo of the Jean Piaget Foundation with Pierre Bovet (1878–1965) first row (with large beard) and Jean Piaget (1896–1980) first row (on the right, with glasses) in front of the Rousseau Institute (Geneva), 1925
Child development involves the biological, psychological and emotional changes that occur in human beings between birth and the conclusion of adolescence.
A child using fingers to make a small, circular hole in the sand, 1997
Girl playing in a playground
Child playing with bubbles
Development of a boy from 10 to 17 years old