Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee. He specialized in mechanical engineering, specifically working on valves for the gaseous diffusion process at the K-25 Plant. Following the war, Grubbe stayed with the Crane Company, and after over forty years with the company, he retired in 1969.
Arnold “Ace” Grubbe's Timeline
1904 Jul 14th Born in Chicago, Illinois
1943 Began work at Oak Ridge, Tennessee, specializing on the valves needed for the gaseous diffusion process.
1969 Retired after forty years with the Crane Company
2002 Died in New Glarus, Wisconsin