Behavioral
Cognitive
Clinical
Social
Experimental
100

Early behaviorist psychologist...

John B. Watson

100

Research on children's cognitive development


Jean Piaget

100

Founder of humanistic psychology...

Carl Rogers

100

Famous social cognitive psychologist...

Albert Bandura 

100

First to ever call himself a psychologist...

Wilhelm Wundt

200

Austrian Neurologist 

Sigmund Freud


200

Developing language...

Noam Chomsky

200
First woman to be the President of the APA...

Mary Whiton Calkins

200
Developed original theory of personality...


Gordon Allport

200

Dog experiments with conditioning...

Ivan Pavlov

300

American psychologist and behaviorist...

B.F. Skinner

300
Leader of the philosophical movement...

William James

300

Developed a hierarchy of needs

Abraham Maslow

300

American social psychologist...

Leon Festinger 

300

Known for his field theory of behavior 

Kurt Lewin

400

Rational emotive psychologists...

Albert Ellis

400

Cofounder of gestalt psychology

Wolfgang Kohler

400

Swiss Psychiatrist 

Carl Jung

400

Shock experiments...

Stanley Milgram

400

Related to Sigmund and one of the world's foremost psychoanalysts...

Anna Freud 

500

Cognitive-behavioral therapy 

Aaron Beck


500

Experimental study of memory

Hermann Ebbinghaus

500

Intelligence test...

Alfred Binet

500

American research psychologist...

Irving Janis 

500

Founder of modern educational psychology...

Edward Thorndike

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