National Museum of Nuclear Science & History
Everett Ellis worked for the H. K. Ferguson Company.
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.
Joel S. Denham, Jr. served as a staff sergeant in the 393rd Bombardment Squadron.
Kline worked for Stone and Webster Engineering Corporation.