The Oedipus complex, Freudian slip, repression, the ego and the id – Sigmund Freud’s ideas have become part of everyday language. He opened up the world’s mind to the idea of the subconscious. He also pioneered the idea that our childhood shapes who we are. But what are the secrets of his own early years? And what started him on the path towards, literally, changing our minds about everything?

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