 In 1945, he contested the General Election, as the Liberal candidate for Nuneaton, finishing third.In 1950–1955 he worked at the Royal Institute for Foreign Affairs (Chatham House), writing five volumes in the series of "Annual Surveys of International Affairs", which had previously been written by Arnold Toynbee.From 1955 to 1966, he was a partner in the publishing firms of Chatto and Windus and the Hogarth Press.