National Museum of Nuclear Science & History
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
N. E. Mazuco served in the 509th Headquarters and Base Services Squadron.
Glen Montgomery was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
V. J. Johnson worked for the Union Carbide & Carbon Corporation.
D. I. Nicholson worked for the United States Engineer District Office.