National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
W. T. Sergeant worked for the United States Engineer District Office.
Wilam Spangler was a staff worker at Los Alamos during the Manhattan Project.
J. F. McComb, Jr. worked for the Bethlehem Steel Corporation.
Wilbur E. Davis worked at the 200 West Area at Hanford during the Manhattan Project.