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Charles Darwin publishes "On the Origin of Species," his take on any species survival.
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Wilham Wundt formed the first journal of psychological research, making him the "Father of Psychology."
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Ivan Pavlov publishes "Classical Conditioning" on the study of dogs.
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William James gained widespread recognition with the first psychological textbook, "Principles of Psychology." Also, he founded the first lab in the United States for psychology.
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Margaret Floy Washburn is known for being the first woman to get her PhD in psychology.
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John Watson published the article "Psychology as the Behaviorist Views it" about his new philosophy of "Behaviorism."
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Sigmund Freud presented his idea of psychoanalysis in his book, "The Introduction to Psychoanalysis."
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Jean Piaget developed the theory of cognitive development and introduced this throguh his book, "The Moral Judgement of the Child."
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Lev Vygotsky's greatest contribution to the field of psychology was his book "Thinking and Speech," which would later be re-published as "Thought and Language."
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B. F. Skinner is famous for his book "The Behavior of Organisms: An Experimental Analysis," in which he discussed his theory of "radical behaviorism."
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Abraham Maslow presented Maslow's hierarchy of needs, a theory on human's innate curiosity, in his paper "A Theory in Human Motivation."
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Erik Erikson's greatest contribution was his creation of the eight stages of development. He worked on his book "Childhood and Society" for the bulk of his beginning years as a psychologist and piublished it in 1950.
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Harry Harlow focused on the relatrionship between an infant monkey and its mother. He presented his ideas in his address "The Nature of Love."
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Albert Bandura conducted twoi experiments called "The Bobo Doll Experiment," which was the study of behavior associated with aggression.
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Jerome Kagan focused his studies on how a child's childhood experiences affected how they acted as an adult. He studied children up to two years old and published his results in "Birth to Maturity."
