National Museum of Nuclear Science & History
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mary Raub was a staff worker at Los Alamos during the Manhattan Project.
Esther (Green) Floth worked as a secretary for General Leslie Groves during the Manhattan Project in Washington, DC.
Marvin D. Cooke worked for the J.A. Jones Construction Company.
