Hammond, John Hays, Jr. (1888-1965), was an American inventor. He obtained hundreds of patents for his developments in radar, radio, television, and other electronic devices.
Hammond pioneered in the development of remote control. His devices for the remote control of ships, airplanes, and torpedoes aided the U. S. Army and Navy during World Wars I and II. Hammond also invented electronic circuits that stabilized and guided remote control vehicles. These circuits played an important role in the development of rocketry. Hammond also improved tuning systems for frequency modulation (FM) radio. Hammond was born on April 13, 1888, in San Francisco. He graduated from Yale University in 1910. Hammond died on Feb. 12, 1965.
