National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
James R. Corliss served as a technical sergeant in the 393rd Bombardment Squadron. He was regularly assigned to work as a flight engineer on the Up An’ Atom but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.
Robert Woodward was a staff worker at Los Alamos during the Manhattan Project.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.