Which theorist advanced the concept that the unconscious has two layers,the personal unconscious and the collective unconscious

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Carl Jung advanced the concept that the unconscious has two layers. The personal unconscious contains all of an individual's repressed thoughts, feelings, and experiences. The collective unconscious is made up of archetypes, which are universal symbols and images that are present in the unconscious of all people across cultures and time periods.

Which Theorist Advanced the Concept That the Unconscious Has Two