National Museum of Nuclear Science & History
H. H. Denny worked for the H. K. Ferguson Company.
Frank Hollinger served in the 1395th Military Police Company, Aviation.
Conen served as a first lieutenant in the 393rd Bombardment Squadron. He participated in the mission to bomb Hiroshima as a flight engineer for the Top Secret.
William Steadman was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
