National Museum of Nuclear Science & History
H. R. Chapman worked for the H. K. Ferguson Company.
Gunhild Swanson was a staff worker at Los Alamos during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
