Ernest Lucas Guest was the Minister of Defence and Air under King George the VI, the father of Queen Elizabeth II.
He continued as Minister of Defence and Air from 7 June 1946 to 15 September 1948. George VI George VI (Albert Frederick Arthur George; 14 December 1895  6 February 1952) was King of the United Kingdom and the Dominions of the British Commonwealth from 11 December 1936 until his death in 1952. He married Lady Elizabeth Bowes-Lyon in 1923, and they had two daughters, Elizabeth and Margaret. Elizabeth II (Elizabeth Alexandra Mary, born 21 April 1926) is Queen of the United Kingdom and 15 other Commonwealth realms. 
