Hans Jürgen Eysenck was born on March 4th 1916 in Berlin, Germany to parents who were both famous actors. After their death, Hans was sent to be raised by his grandmother.
His hatred of Hitler and the Nazi's led him to move to England when he was 18, but because of his German citizenship, he found it difficult to find work in England. He eventually went on to earn a Ph.D in Psychology from the University College London. He died on September 4, 1997.

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One of the most famous psychologists of all time, Eysenck was also one of the most controversial. He dismissed psychoanalysis as unscientific, claiming in a 1952 paper that two-thirds of therapy patients improved significantly or recovered within two year, regardless of whether or not they received psychotherapy. Eysenck also believed strongly in the heritability and genetic basis of intelligence.

Personality Theory

His theory of personality compares two central factors, extraversion (E) and neuroticism (N), from which four basic personality types flow. His personality types are based on Hippocrates's personality formulation:
  • High N, High E results in a choleric personality—an assertive, leader-like person.
  • High N, Low E results in a melancholic personality—a cautious and introverted type.
  • Low N, High E results in a sanguine personality—the sociable and charismatic type.
  • Low N, Low E results in a phlegmatic personality—a consistent, calm person.
He also developed the idea of neuroticism

See Also