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Great Psychologists

Great psychologists include famous psychoanalysts like Freud and Jung as well as lesser known psychiatrists. Learn how great psychologists have contributed to our knowledge of psychology.

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Piaget, Jean

Piaget, Jean (1896-1980), a Swiss psychologist, biologist, and philosopher. Piaget was a pioneer in the field of developmental psychology.


Lashley, Karl Spencer (1890-1958) was an American psychologist who researched the correlation between brain function and learning. See more »

Lewin, Kurt (1890-1947), a German-born American psychologist, developed the field theory of behavior and helped found modern experimental social psychology. See more »

Maslow, Abraham Harold (1908-1970), an American psychologist, is best known for launching humanistic psychology, which emphasizes the independent value of human beings and their ability to develop to their full potential. See more »

McDougall, William (1871-1938) was a British psychologist who founded the school of purposive psychology, which suggested that humans and animals act for specific purposes, with the actions directed toward achieving certain goals. See more »

Overstreet, Harry and Bonaro, United States authors, husband and wife. Most of their books are discussions of various aspects of contemporary sociology, psychology, or philosophy in a popular vein. See more »

Piaget, Jean (1896-1980), a Swiss psychologist, biologist, and philosopher. Piaget was a pioneer in the field of developmental psychology. See more »

Rogers, Carl R. (Ransom) (1902-1987), a United States psychologist. He developed the “client-centered,” or “nondirective,” approach to counseling persons with emotional problems. See more »

Skinner, B. F. (Burrhus Frederic) (1904-1990), a United States psychologist. See more »

Terman, Lewis M. (Madison) (1877-1956), a United States psychologist. In 1916 Terman published the Stanford-Binet test, an American revision of the children's individual intelligence test developed by the French psychologist Alfred Binet. See more »

Thurstone, Louis Leon (1887-1955) was an American psychologist who was instrumental in the development of psychological tests. See more »