National Museum of Nuclear Science & History
N. C. Parrish worked for the United States Engineer District Office.
Jose Romero was a staff worker at Los Alamos during the Manhattan Project.
Cronholm worked at the 100-F Area at Hanford during the Manhattan Project.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. D. Emmons worked at the 100-F Area at Hanford during the Manhattan Project.
