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 Johnson (type-founder) Lawrence Johnson (type-founder) Lawrence Johnson (23 January 1801 – 24 April 1860), was born and educated in England. After an early apprenticeship in the printing industry, he emigrated to America in his youth, and became an eminent stereotyper and type-founder in Philadelphia and one of the most extensive and successful type-founders in the United States. Lawrence Johnson was born in Kingston-upon-Hull, England, on 23 January 1801, the second son and third child of Edward Johnson and Ann Clayton. He was baptised in Holy Trinity Church on 2 March 1801. Johnson was educated in Hull and in Bungay, Suffolk, England. At