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In page Hanna Segal:

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Segal was politically involved with the Polish Socialist Party.[citation needed] When Hitler invaded Poland on 1 September 1939, she was fortuitously on holiday in France from where she had to flee arriving in Great Britain (via Switzerland).[citation needed] She completed her medical studies in the wartime Polish medical department at Edinburgh University.[1] She next undertook psychoanalytic training in London, and an analysis first with David Matthews, a pupil of Melanie Klein, and later with Klein herself whose close follower she became and whose work she went on to expound with clarity.[2] It is said that without Segal's introductory works, Klein would not have become so famous, and would certainly have been far less accessible.[citation needed]