National Museum of Nuclear Science & History
D. G. Perkins worked for the United States Engineer District Office.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Henry E. Lewis served in the 1027th Air Material Squadron.
Leola Reitz was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
