Grover Loening, the company president was so impressed with his work that he hired Grumman as general manager in 1920, a position he held until the company was sold in 1929 on the eve of the Depression to Keystone Aircraft.
Grover Loening was so impressed with his work that he hired Grumman as general manager in 1920, a position was sold in 1929 on the eve of the Depression to Keystone Aircraft. Grover Loening was the company president. He held a position until the company.