National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Julia Wynne was a chemist in the Y-12 Plant in Oak Ridge, Tennessee from June 1944 through the end of the war.
Sloan worked at the 300 Area at Hanford during the Manhattan Project.
B. H. Hagedorn worked for the Edenfield Electric Company.
E. J. Holub served in the 509th Headquarters and Base Services Squadron.