Freud and Jung: The Break That Reshaped the Mind

Carl Gustav Jung was born on 26 July 1875 in Kesswil, in the Swiss canton of Thurgau, the son of a Swiss Reformed pastor, Paul Achilles Jung, and Emilie Jung, née Preiswerk. He grew up in a household thick with clergy — eight of his uncles were also pastors — and with an unusual intellectual inheritance from his maternal grandfather, Samuel Preiswerk, a Hebraist and early advocate of Zionism who was also drawn to the occult. Jung's childhood was marked by tension between a father he saw as reliable but weak, and a mother he experienced as eccentric and unpredictable, prone to strange nighttime episodes she attributed to visiting spirits.

Jung studied medicine in Basel starting in 1895, and in 1900 became an assistant to Eugen Bleuler at the Burghölzli psychiatric hospital in Zurich, completing his doctorate in 1902 on occult phenomena and their connections to psychology and pathology. He deepened his training in Paris for six months under Pierre Janet. In 1903 he married Emma Rauschenbach. It was through his research and his rising reputation as a psychiatrist that Jung came into contact with Sigmund Freud, the founder of psychoanalysis, and the two men began a lengthy correspondence built on what seemed a shared vision of human psychology.

Freud saw the younger Jung as more than a gifted colleague. He viewed him as the heir he had been seeking to carry psychoanalysis forward, and, just as importantly, as a way to legitimize the field. Freud and most of the early psychoanalysts were Jews facing rising antisemitism in Europe, while Jung had been raised Christian, even though he did not adhere strictly to Christian doctrine, seeing religion instead as a powerful expression of the human psyche's search for meaning. Freud secured Jung's appointment as the first president of his newly founded International Psychoanalytical Association — Jung took up that post at 36.

For a time, the collaboration flourished. Jung's clinical work and his own independent research, however, pulled him steadily away from Freud's doctrine. Jung was developing ideas that did not fit comfortably within Freud's framework — concepts like the collective unconscious, archetypes, and psychological complexes — and following his older colleague's line became increasingly difficult for him. The two men parted ways, a division that Jung experienced as personally painful.

Out of that rupture, Jung built something new: analytical psychology, a comprehensive system distinct from psychoanalysis. At its center was the idea of individuation — the lifelong process by which a person's conscious and unconscious elements differentiate and integrate to form a complete self. Jung considered this the central task of human development, and around it he built an entire vocabulary that would seep into popular culture: synchronicity, the shadow, the persona, anima and animus, and the distinction between introversion and extraversion, which he likened to the archetypes of Apollo and Dionysus.