National Museum of Nuclear Science & History
Conrad Roescke was a staff worker at Los Alamos during the Manhattan Project.
Antilla worked in the United States Engineer District Office.
John D. Kuharek served as a master sergeant in the 393rd Bombardment Squadron. He was assigned to the Great Artiste as a flight engineer and flew in the mission to Hiroshima.
Walter Pelton worked for the Kellex Corporation at the K-25 Pelton.