1894-1986. English feminist, who married Bertrand Russell 1921. The `openness' of their marriage (she subsequently had children by another man) was a matter of controversy. She was a founding member of the National Council for Civil Liberties in 1934. She was educated at Girton College, Cambridge, of which she became a Fellow. In 1927 the Russells founded the progressive Beacon Hill School in Hampshire. After World War II she actively supported the Campaign for Nuclear Disarmament.