Hewitt-Sperry Automatic Airplane and Lawrence Sperry decided that he would be the test pilot. While taxiing it on ice, he hit some slushy snow, and wrecked the plane, though Sperry was unhurt. A second airplane was fitted out, and Sperry managed to get it in the air, but lost control when the automatic pilot was engaged. After two complete rolls, Sperry managed to regain control and land safely. Clearly, though, more attention to flight testing the basic design was needed, particularly in the area of handling qualities. Sperry and his assistant, N. W. Dalton, obtained a Marmon automobile, and mounted the Curtiss-Sperry Flying
Robert Daniel Lawrence Robert Daniel Lawrence Dr. Robert "Robin" Daniel Lawrence (18 November 1892 – 27 August 1968) MA, MB ChB (Hons), MD, FRCP, LLD was a British physician at King’s College Hospital, London. He was diagnosed with diabetes in 1920 and became an early recipient of insulin injections in the UK in 1923. He devoted his professional life to the care of diabetic patients and is remembered as the founder of the British Diabetic Association. Dr R.D. Lawrence, better known as Robin Lawrence was born at 10 Ferryhill Place, Aberdeen, a four-storied granite terraced dwelling in a quiet tree-lined street in what