Leroy Randle "Roy" Grumman (4 January 1895-4 October 1982) was an American industrialist and aeronautical engineer who co-founded Grumman Aerospace Corporation, now part of Northrop Grumman.
Leroy Randle "Roy" Grumman (4 January 1895-4 October 1982) was an American aeronautical engineer, test pilot, and industrialist. In 1929, he co-founded Grumman Aerospace Corporation, now part of Northrop Grumman.