Juan de la Cierva

✶September 21, 1895

†December 9, 1936

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About their life

Juan de la Cierva y Codorníu, 1st Count of la Cierva, was a Spanish civil engineer, pilot and a self-taught aeronautical engineer. His most famous accomplishment was the invention in 1920 of a rotorcraft called Autogiro, a single-rotor type of aircraft that came to be called autogyro in the English language. In 1923, after four years of experimentation, De la Cierva developed the articulated rotor, which resulted in the world's first successful flight of a stable rotary-wing aircraft, with his C.4 prototype.

Spanish aeronautical engineer and pilot; inventor of the autogyro (1895-1936)

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Biography from the article Juan de la Cierva on the English Wikipedia, available under CC BY-SA 4.0.