Born in 1897; educated at Royal Naval Colleges, Osbourne and Dartmouth, Jesus College, Cambridge and Imperial College of Science, London; joined RN, 1910; served World War One with RN, Royal Navy Air Service, Royal Flying Corps and RAF; transferred to RAF, 1918; RAF Staff College, 1929; commanded RAF Mosul, 1930; RN Staff College, 1934; Wing Cdr, 1935; Deputy Director of Intelligence, Air Ministry, 1938-1939; Group Capt, 1938; Air Officer in charge of Administration, later Senior Air Staff Officer, General HQ, BEF, France, 1939-1940; Deputy Director of Plans, later Director of Military Cooperation, Air Ministry, 1940-1941; Chief of the Air Staff, New Zealand, and Commander Royal New Zealand Air Force, South Pacific, 1941-1943; Air Officer in charge ofAdministration, Air Command, South East Asia, 1943-1946; Deputy Head of RAF Delegation to USA, 1946-1948; member of Air Council for Technical Services, 1948-1951; retired 1951; Principal of College of Aeronautics, Cranfield, 1951-1954; publication of The enigma of menace, (1959), Flight towards reality, (1975), and Skies to Dunkirk, (1982); died in 1987.