• Charles Darwin

    Charles Darwin
    Charles Darwin publishes "On the Origin of Species," his take on any species survival.
  • Wilham Wundt

    Wilham Wundt
    Wilham Wundt formed the first journal of psychological research, making him the "Father of Psychology."
  • Ivan Pavlov

    Ivan Pavlov
    Ivan Pavlov publishes "Classical Conditioning" on the study of dogs.
  • William James

    William James
    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.
  • Margaret Floy Washburn

    Margaret Floy Washburn
    Margaret Floy Washburn is known for being the first woman to get her PhD in psychology.
  • John Watson

    John Watson
    John Watson published the article "Psychology as the Behaviorist Views it" about his new philosophy of "Behaviorism."
  • Sigmund Freud

    Sigmund Freud
    Sigmund Freud presented his idea of psychoanalysis in his book, "The Introduction to Psychoanalysis."
  • Jean Piaget

    Jean Piaget
    Jean Piaget developed the theory of cognitive development and introduced this throguh his book, "The Moral Judgement of the Child."
  • Lev Vygotsky

    Lev Vygotsky
    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."
  • B. F. Skinner

    B. F. Skinner
    B. F. Skinner is famous for his book "The Behavior of Organisms: An Experimental Analysis," in which he discussed his theory of "radical behaviorism."
  • Abraham Maslow

    Abraham Maslow
    Abraham Maslow presented Maslow's hierarchy of needs, a theory on human's innate curiosity, in his paper "A Theory in Human Motivation."
  • Erik Erikson

    Erik Erikson
    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.
  • Harry Harlow

    Harry Harlow
    Harry Harlow focused on the relatrionship between an infant monkey and its mother. He presented his ideas in his address "The Nature of Love."
  • Albert Bandura

    Albert Bandura
    Albert Bandura conducted twoi experiments called "The Bobo Doll Experiment," which was the study of behavior associated with aggression.
  • Jerome Kagan

    Jerome Kagan
    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."