How did Jung and Freud meet?

Freud wrote to Jung in 1906 after reading one of his papers. They met in 1907 in Vienna and talked for 13 hours straight. Freud saw Jung as the ideal successor — he was brilliant, Swiss (which helped distance psychoanalysis from its predominantly Jewish Viennese origins), and deeply committed. He called Jung his "crown prince."

What did they agree on?

The fundamental importance of the unconscious in driving behavior. The value of talk therapy. The significance of dreams as a window into unconscious content. The reality of transference in therapeutic relationships.

Where did they diverge?

Libido: Freud defined libido as sexual energy specifically. Jung expanded it to psychic energy in general — the unconscious motivation behind any behavior, not necessarily sexual. This was a major theoretical rupture.

The unconscious: Freud's unconscious was primarily personal — the product of individual repression and childhood experience. Jung added the collective unconscious — a shared layer containing archetypes inherited across human history and culture.

Religion: Freud viewed religion as a collective neurosis. Jung viewed it as a genuine expression of the psyche's deepest structures — the archetype of the divine. He didn't require God to be literally real for religion to be psychologically meaningful.

What ended the relationship?

Accumulated tension plus a specific incident. On a trip to America in 1909, Freud refused to share certain personal details while asking Jung to analyze his dreams. Jung felt the asymmetry was hypocritical. The relationship deteriorated. Their last correspondence was in 1912; they never met again.

What was the professional impact?

They each founded separate schools: psychoanalysis (Freud) and analytical psychology (Jung). Both have continued, evolved, and influenced each other across a century. The tension between them is still productive — debates about the nature of the unconscious, the role of sexual energy, and the meaning of religious experience remain alive in contemporary psychology.