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Leroy Randle Grumman (born Jan. 4, 1895, Huntington, N.Y., U.S.—died Oct. 4, 1982, Manhasset, N.Y.) was an American aeronautical engineer and founder of the Grumman Aerospace Corp. He designed some of the most effective naval aircraft used in World War II. After graduating from Cornell University, Grumman joined the U.S. Navy and served as a flight instructor and later as a test pilot. Following World War I he worked for the Loening Aeronautical Engineering Corp.,...