Final answer:
Carl Jung, the Swiss psychiatrist, developed his own psychoanalytic theory of personality, emphasizing psychological harmony and the collective unconscious.
Step-by-step explanation:
Carl Jung was the Swiss psychiatrist who developed his own psychoanalytic theory of personality. His theory stressed a striving toward psychological harmony and included the key ideas of the collective unconscious and archetypes. Jung split off from Freud and developed his own theory, which he called analytical psychology, focusing on balancing opposing forces of conscious and unconscious thought within one's personality.