National Museum of Nuclear Science & History
J. P. Speed worked for the Poe Piping & Heating Company.
G. M. Stafford worked for the Kellex Corporation at the K-25 Plant.
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.
Tompkins worked for Stone and Webster Engineering Corporation.
