Leroy Randle "Roy" Grumman was an American aeronautical engineer, test pilot, and industrialist. In 1929, he co-founded Grumman Aircraft Engineering Co., later renamed Grumman Aerospace Corporation, and now part of Northrop Grumman.
- Occupation
- military officer, military flight engineer, inventor, aircraft pilot
- Citizenship
- United States
- Born
- January 4, 1895
- Died
- October 4, 1982