National Museum of Nuclear Science & History
Fred H. Greene was an engineer who worked on the K-25 Plant in Oak Ridge, TN, for Union Carbide and Carbon.
Keeley worked for Stone and Webster Engineering Corporation.
R. D. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
William F. Orren served as a technical sergeant in the 393rd squadron. He was regularly assigned to the B-29 Top Secret.