Valued exposure: Campaigner

Mrs Van der Elst a famous campaigner against capital punishment, with a police inspector outside Holloway Prison, London, 12 July 1955.

Ruth Ellis was hanged on 13th July 1955 for the murder of her lover David Blakely, the 16th and last woman to be executed in Britain in the 20th Century.

Photo: Popperfoto/Getty Images

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