National Museum of Nuclear Science & History
Charles Maier was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. M. Kelman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
B. A. Howle served in the 509th Headquarters and Base Services Squadron.
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.