Penelope Mortimer

Penelope Ruth Mortimer was a British journalist, biographer, and novelist. She wrote a semiautobiographic novel in 1962 titled The Pumpkin Eater which was turned into a 1964 film. Anne Bancroft was nominated for the Academy Award for Best Actress for her performance as Jo Armitage, a character based on herself.

Mortimer was born Penelope Ruth Fletcher in Rhyl, Flintshire now Denbighshire, Wales, the younger daughter of Amy Caroline Fletcher and the Rev A. F. G. Fletcher, a Anglican clergyman, who had lost his faith and used the parish magazine to celebrate Soviet persecution of the Russian church. He also abused her sexually.

Source: Wikipedia