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432 BCE
Plato
Plato was greek philosopher and student of another great philosopher Aristotle. Who contributed to the world of mathematics, psychology and philosophy. Also he was the first founder of academy in Athens which was the first in western world. -
Sigmund Freud
Sigmund Freud was born in Czechoslovakia in 1856 to a jewish family who later emigrated to Austria. He was neurologist who contributed to psychology by founding new psychological approach what he called psychodynamic. Freud's Verdict was that we have 3 levels of mind. He died by killing himself in 1939