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Leroy Grumman

Born: 1895

Retractable Landing Gear; Folding Wing. In 1929, Grumman designed an aircraft featuring retractable landing gear. He went on to design several of the outstanding warplanes of World War II, including the Wildcat (which featured a unique folding wing), the Avenger, and the Hellcat.

Died: 1982

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Leonard Michael GreeneThe National Inventors Hall of FameRobert Gundlach

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