Jung was drafted into World War I and served as an army doctor for the British. In 1903, Jung married Emma Rauschenbach, with whom he had five children. Jung traveled throughout the world to teach and influence others with his psychoanalytical theories. He published many books relating to psychology, and others that seemed outside the realm science, including Flying Saucers: A Modern Myth of Things Seen in the Skies, which examined and dissected the psychological significance of UFO sightings. Jung’s work embodied his belief that each person has a life purpose that is based in their spiritual self. Through his eastern, western and mythological studies, Jung developed a theory of transformation which he called individuation. He explained individualism as being the personal development of one’s connection between the ego and self, which was based on Freud’s three part theory of personality. He further pursued and explored the idea of individuation in Psychology and Alchemy, a book in which he detailed the relationship of alchemies in the psychoanalytical process.
Jung developed the idea of introversion and extroversion type of personality. He outlined the theory of the four