English writer, historian, and political analyst. A socialist and feminist, she created many distinguished works including The Makers of the Labour Movement (1948) and an acclaimed biography of the English social reformer Beatrice Webb (1945). In addition she co-wrote An Intelligent Man's Review of Europe Today (1933), A Guide to Modern Politics (1934), and 29 detective stories.
Cole was born in Cambridge, and educated at Roedean School, Sussex. After studying classics at Girton College, Cambridge, she taught for a time at St Paul's School, London, before becoming a researcher for the Fabian Society.