Witness History: Archive 2014 - The Death of Alan Turing

It is 60 years since the great British mathematician died. He is believed to have killed himself after he was put on trial because he was gay. Hear from the Greenbaum sisters who knew Alan Turing as a family friend when they were children.

Picture: Alan Turing, Science Photo Library

Published on Thursday, 5th June 2014.

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