National Museum of Nuclear Science & History
Jose E. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Harry Blaustein worked for the Roane-Anderson Company.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
D. D. Frazer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Castens worked for Stone and Webster Engineering Corporation.
