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
The Invention of the Jewish People Ilani, most of Sand's book deals with the question of where the Jews come from, rather than questions of modern Jewish nationalism and the modern invention — according to Sand — of the Jewish people." Therefore, some historians of Judaism have stated that Sand is dealing with subjects about which he has no understanding, and that he bases his book on work that he is incapable of reading in the original languages. Sand admits that he is "a historian of France and Europe, and not of the ancient period…" and that he has "been criticized in Israel for writing about