Painter born Geoffrey Michael Turner in Harrow, Middlesex. He studied commercial art at Heatherley's, 1951-52 and after National Service worked as a commercial artist until he turned freelance in 1957. A founder member of the GAvA, he is also a regular exhibitor there, where his subject matter has ranged from historical combat scenes to civil and military aircraft. He won the BAC Trophy for the best painting of military aircraft four times and also received an award of merit from the Society of Illustrators at their 1980 exhibition in New York.

His paintings now hang in the Science Museum, the RAF Museum, Hendon and in private collections of many world-famous motor racing and aviation personalities. He has exhibited around the world at venues that include Watkins Glen, New York and the US Royal Air Force Museum at Wright Patterson Air Force Base, Dayton, Ohio, as well as the Smithsonian's Air and Space Museum. He has served as President of the GAvA, and recently, he was commissioned to produce the first Official Print for Sir Richard Noble's highly successful Thrust Super Sonic Car Project. His son Graham Turner (b.1964) is a well-known motoring artist.