BETA SAÚDE
Leroy Grumman
Texto da Wikipédia (en), licença CC BY-SA. O BETARUBI mostra o verbete inteiro nesta página — a leitura não continua fora do site.
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.