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History of Psychology

  • 399 BCE

    Socrates

    Socrates
    Inventor of Socratic Method. First ever to challenge conventional thinking; Unexamined life isn't worth living. Died supporting his beliefs.
  • 387 BCE

    Plato

    Plato
    Plato was a student of Socrates, believed tangible things can be destroyed but thoughts can not. Brain is responsible for metal process.
  • 379 BCE

    Hippocrates

    Hippocrates
    Father of medicine; formulated classification system of mental disorders
  • 350 BCE

    Aristotle

    Aristotle
    Aristotle was a student of Plato, and teacher to Alexander the Great. Believed there was nothing in the intellect that wasn't first in senses. Suggest heart was responsible for mental processes.
  • 200

    Galen

    Galen
    Believed mental illness resulted in imbalance of one of the four humors- blood, black bile, yellow bile, phlegm. Depression - preponderance of black bile.
  • Descartes

    Descartes
    Believed the mind and body were separate beings. Dualism: Mind- spiritual, body - physical
  • Locke

    Locke
    Believed people are born without preconceived qualities. Blank slate
  • Rousseau

    Rousseau
    Believed man's nature is moral/ pure. Develop into noble savages
  • Darwin

    Darwin
    Nature vs. Nurture
    People are born without innate qualities that will shape with outside world.
  • William Wundt

    William Wundt
    Developed first psychology lab. Founder of Structuralism. German