Dr. wright is a therapist who believes that our unconscious thought processes impact our behavior, which is a core belief of:

The answer is Sigmund Freud
Sigmund Freud was the first psychologist to popularized the idea of subconscious with it relations to the conscious mind (even though he technically didn't invent it)
He based all of his therapy based on the assumption that subconscious mind will affect our mood, actions, and habbit more than we actually think.