National Museum of Nuclear Science & History
B. B. Hoskins worked for the Comstock-Bryant Electric Company.
Marilyn Hanna was trained as a clerk typist, and worked for the Manhattan Project in Oak Ridge and later for the Security and Patent divisions in Washington, DC.
Henderson worked at the 100-D Area at Hanford during the Manhattan Project.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.