National Museum of Nuclear Science & History
Eleanor Ewing Ehrlich (1918-2011) was an American mathematician. During the Manhattan Project, Ewing worked at Los Alamos and helped run the IBM calculating team.
Rose Pingel was a staff worker at Los Alamos during the Manhattan Project.
Wylie Bell worked for the Fercleve Corporation.
F. H. Holbrook worked for the United States Engineer District Office.