Carl Gustav Jung was a Swiss psychiatrist and psychotherapist who founded analytical psychology. He was born in 1875 in Kesswil, Switzerland and died in 1961 at age 85. Jung studied medicine at the University of Basel and made major contributions to psychiatry and psychology, developing concepts such as extraversion and introversion, archetypes, and the collective unconscious. According to Jung, extraverts are energized by being around other people, express thoughts and emotions freely, tend to think after they talk, act and then reflect, and are often friendly, talkative, and easy to know. In contrast, introverts are energized by being alone, keep thoughts and emotions private, like to think before they speak, observe situations before