Lawrence Sperry

American aviation pioneer

The first demonstration of an automated flight control system occurred in France in 1914, led by Lawrence Burst Sperry. This milestone marked the birth of the autopilot, an invention that fundamentally altered the trajectory of aviation. Born in Chicago in 1892, Sperry spent his short professional career as an engineer, inventor, and pilot, eventually securing his place in aerospace history.

Early Career and Aeronautical Innovation

As the son of Elmer Ambrose Sperry and Zula Sperry, Lawrence grew up surrounded by mechanical innovation. His father was a co-inventor of the gyrocompass, a device that likely influenced Lawrence's own focus on stabilization technology. By 1914, he had developed the first functioning autopilot system. Beyond this, he pioneered the development of the artificial horizon, a critical instrument that remains standard equipment for aircraft operators into the 21st century.

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Marriage and Public Notoriety

In 1918, Sperry married film actress Winifred Allen. Their union garnered media attention when Flying Magazine reported the couple embarked on an aerial honeymoon, traveling by air from Amityville to Governors Island. Earlier, in November 1916, Sperry and socialite Dorothy Rice Sims, identified as Mrs. Waldo Peirce, flew together in an autopilot-equipped Curtiss Flying Boat near New York. This flight ended in a water landing after the hull struck a stake, a minor incident later linked to the origins of the moniker Mile High Club.

Final Flight and Legacy

On 13 December 1923, Sperry departed the United Kingdom in a Verville-Sperry M-1 Messenger, intending to fly to France. He flew into fog and never arrived at his destination. Searchers recovered his body from the English Channel on 11 January 1924. His contributions to aeronautics received extensive posthumous recognition, including induction into the National Aviation Hall of Fame in 1981, the International Air & Space Hall of Fame in 1979, and the Naval Aviation Hall of Honor in 1992. The American Institute of Aeronautics and Astronautics continues to present the Lawrence Sperry Award to individuals under 35 who make significant contributions to the field.

Fast facts

Questions readers ask

What significant aviation instrument did Lawrence Sperry develop?

He developed the first autopilot and the artificial horizon.

How did Lawrence Sperry die?

He disappeared during a flight from the United Kingdom to France in 1923; his body was later recovered from the English Channel.

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