2 Quotes & Sayings By Piaget

Jean Piaget (1896 - 1980) was a Swiss developmental psychologist. He is best known for his theory of cognitive development, which he first formulated in the 1920s and 1930s. Piaget's work in developmental psychology was highly esteemed but largely ignored by mainstream psychology until the 1980s. His work has since proved to be influential across many fields of psychology, including evolutionary biology, developmental biology, cognitive neuroscience, and sociology.