Screen Shot 2023-04-09 at 17.51.44 Published on April 9, 2023 in 12 April 1937Full resolution (581 × 703) ← Previous Next → Prize winners, RAF Cadet College, Cranwell, July 1928. Frank Whittle is standing at the center of the image. (Gale & Polden Ltd., Aldershot via RAF College Cranwell)