National Museum of Nuclear Science & History
Mary Fitzgerald worked for the Edenfield Electric Company.
Alice Martin was a laboratory assistant in the Chemistry Division at the University of Chicago Met Lab.
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Katharine Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.