Sperry, Elmer A.

1860-1930. American engineer and inventor best known for his work on the gyrocompass. In 1908 he patented the gyrocompass and in 1910 set up the Sperry Gyroscope Company to build it. After trials in 1911, orders began being taken for the gyrocompass. The technology was also adapted to gunfire control, autopilots and stabilization. During World War II, over 100,000 people were working for the company. It is now part of Northrup-Grumman.