Career
She chaired the group which produced the 1967 Plowden report on primary education in Britain, and was chair of the Independent Broadcasting Authority from 1975 to 1980. Her husband was Edwin Plowden, who became Lord Plowden. Lady Plowden was born Bridget Horatia Richmond, daughter of Admiral Sir Herbert Richmond.
She was appointed Dame Commander of the Order of the British Empire in the 1972 Queen"s Birthday Honours.