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.

Learn More

Sigmund Freud is considered the father of psychoanalysis, although today many of his theories are viewed unfavorably. Why is his legacy still so important?

By Melanie Radzicki McManus

Harlow, Harry Frederick (1905-1981) was an American psychologist. His studies of the social behavior of monkeys provided new understanding of human behavior and development.

Freud, Sigmund (1856-1939), the Austrian physician who founded psychoanalysis.