Wing Commander Kenneth Horatio Wallis DSO MBE CEng FRAeS RAF (26 April 1916 – 1 September 2013) was a British aviator, engineer, and inventor. During the Second World War, Wallis served in the Royal Air Force and flew 28 bomber missions over Germany; after the war, he moved on to research and development, before retiring in 1964. He later became one of the leading exponents of autogyros and earned 34 world records, still holding eight of them at the time of his death in 2013.