National Museum of Nuclear Science & History
Fred McCammon worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Smith worked at the 100-D Area at Hanford during the Manhattan Project.
Wheeler worked at the 200 West Area at Hanford during the Manhattan Project.
R. A. Johnston worked for the United States Engineer District Office.
Harold E. Young was a staff worker at Los Alamos during the Manhattan Project.
