National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
Katherine “Pat” (Patterson) Krikorian arrived at Los Alamos in August of 1943, where she worked as a secretary for the Women’s Army Corps.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.