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Was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.
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Was a Swiss psychiatrist and psychoanalyst who founded analytical psychology.
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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"
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Was a German-American developmental psychologist and psychoanalyst known for his theory on psychological development of human beings. He may be most famous for coining the phrase identity crisis. His son, Kai T. Erikson, is a noted American sociologist.
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Commonly known as B. F. Skinner, was an American psychologist, behaviorist, author, inventor, and social philosopher. He was the Edgar Pierce Professor of Psychology at Harvard University from 1958 until his retirement in 1974.
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Was a Soviet psychologist, the founder of an unfinished Marxist theory of human cultural and bio-social development commonly referred to as "cultural-historical psychology" (although the phrase never actually occurred in Vygotsky's writings), a prominent advocate for a "science of the Superman", a new psychological theory of consciousness, and leader of the Vygotsky Circle (also referred to as "Vygotsky-Luria Circle").
