Autopilot reducing the pilot's workload. Lawrence Sperry (the son of famous inventor Elmer Sperry) demonstrated it in 1914 at an aviation safety contest held in Paris. At the contest, Sperry demonstrated the credibility of the invention by flying the aircraft with his hands away from the controls and visible to onlookers of the contest. Elmer Sperry Jr., the son of Lawrence Sperry, and Capt Shiras continued work after the war on the same autopilot, and in 1930 they tested a more compact and reliable autopilot which kept a US Army Air Corps aircraft on a true heading and altitude for three
Lawrence Dundas, 1st Marquess of Zetland Lawrence Dundas, 1st Marquess of Zetland Lawrence Dundas, 1st Marquess of Zetland (16 August 1844 – 11 March 1929), known as Lawrence Dundas until 1873 and as the Earl of Zetland from 1873 to 1892, was a British Conservative statesman. He was Lord Lieutenant of Ireland between 1889 and 1892. He was born in London, the son of the Hon. John Charles Dundas, younger son of Lawrence Dundas, 1st Earl of Zetland (Zetland is an archaic spelling of Shetland). His mother was Margaret Matilda, daughter of James Talbit. He was educated at Harrow and Trinity College, Cambridge, being commissioned as