National Museum of Nuclear Science & History
Hirst worked at the 100-D Area at Hanford during the Manhattan Project.
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.
W. W. Reynolds worked for the Tennessee Eastman Corporation at the Y-12 Plant.