National Museum of Nuclear Science & History
O. A. Kincaid worked for the J.A. Jones Construction Company.
Franklin B. Wimer served as a second lieutenant in the 393rd Bombardment Squadron. He was the navigator regularly assigned to the B-29 Next Objective.
Groht worked for Stone and Webster Engineering Corporation.
Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.