National Museum of Nuclear Science & History
Carl Neumann worked for the United States Engineer District Office.
R. L. Eshelman worked at the 100-B Area at Hanford during the Manhattan Project.
Stanley A. Kiedrowski served as a sergeant in the 393rd Bombardment Squadron.
Major Frank Salfingere served in the Army at Los Alamos during the Manhattan Project.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.