sentences:  As Flight Lieutenant Brian Cook he failed to defend the Conservative seat of Chelmsford at a by-election in April 1945 which was won by Ernest Millington for the short-lived Common Wealth Party.He was elected as Member of Parliament for Ealing South at a by-election on 12 June 1958.He held the seat until it was abolished for the February 1974 general election, and did not stand for Parliament again.