Sperry, Elmer Ambrose
- Brett D. Steele
Sperry, Elmer Ambrose (12 October 1860–16 June 1930), engineer, inventor, and entrepreneur, was born in Cortland, New York, the son of Stephen Sperry, a farmer and carpenter, and Mary Burst, who died giving birth to him. Elmer was precocious mechanically and eagerly studied math and science at Cortland Normal School. His growing fascination for electrical technology and a visit to the Philadelphia Centennial Exhibition of 1876 helped ignite a lifelong drive to invent that would emphasize feedback control systems....