National Museum of Nuclear Science & History
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
D. W. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Germer worked in the United States Engineer District Office.
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
M. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.