National Museum of Nuclear Science & History
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harrington worked at the 100-F Area at Hanford during the Manhattan Project.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
C. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Armstrong worked in the United States Engineer District Office.