National Museum of Nuclear Science & History
Ernest Mekanas was a member of the Provisional Engineering Detachment at Los Alamos. Mekanas was in Los Alamos from 1943 to 1945, working primarily at the post office.
Gertrude Mitchell worked for the Roane-Anderson Company.
Jas Curran worked for Hanley & Company.
R. D. Sheahan worked for the United States Engineer District Office.