National Museum of Nuclear Science & History
J. C. Freer worked for the Roane-Anderson Company.
Burley worked at Los Alamos during the Manhattan Project.
Marguerite Anderson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lois White worked for the J.A. Jones Construction Company.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
