National Museum of Nuclear Science & History
Halbrook worked in the United States Engineer District Office.
T. H. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Eugene Schmanoff was a staff worker at Los Alamos during the Manhattan Project.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
C. K. Bresett worked for the Tennessee Eastman Corporation at the Y-12 Plant.