National Museum of Nuclear Science & History
Marion Long worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Francis Oley worked on the Manhattan Project for the Kellex Corporation. The son of Polish immigrants, Oley grew up in Brooklyn, New York.
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.
M. E. Brennan worked for the Watson-Flagg Engineering Company.
