Joan Constance Anne Henry (8 April 1914 – 2000) was an English novelist, playwright and screenwriter. A former débutante from an illustrious family, she was jailed for passing a fraudulent cheque in 1951 and her best-known works were based on her experiences in prison. She wrote the semi-autobiographical Who Lie in Gaol, filmed as The Weak and the Wicked, and the novel Yield to the Night, the basis for the film starring Diana Dors.Henry was born on 8 April 1914 in Belgravia, London. She was descended from Prime Ministers John Russell (her great-great-grandfather) and Robert Peel, and was the cousin once removed of Bertrand Russell. She was raised by grandparents in Ireland after her parents separated. After returning to England and finishing her education, she made her society début in 1932. She had a twin sister, who died at the age of 21. Wikipedia