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.
A. H. Weil worked for the United States Engineer District Office.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
