National Museum of Nuclear Science & History
Daniel Pfaff was a staff worker at Los Alamos during the Manhattan Project.
Madsen worked in the 100 D Area at Hanford during the Manhattan Project.
Leane Russell was a biologist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
L. Hendrick worked for the Roane-Anderson Company.
Irwin Phillips worked for the United States Engineer District Office.
