National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
Glenna Kost was a member of the Women's Auxillary Corps (WAC) and worked with supply and receiving at Los Alamos.
A. A. Carswell worked for the Roane-Anderson Company.
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.