Sir Frank Whittle, English engineer, 1988.
© Science Museum / Science & Society Picture Library
Sir Frank Whittle (1907-1996) before an interview, with the Whittle WI engine on the left and the WV engine on the right at the Science Museum, London. Whittle joined the Royal Air Force as an apprentice, qualified as a pilot, and was able to study at Cambridge whilst still in the RAF. In 1936 he set up Power Jets Ltd to develop what was to become the first British jet engine - the WI engine.