National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
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.
Helen Stokes was a staff worker at Los Alamos during the Manhattan Project.
John Reese worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Langworthy worked in the 200 East Area at Hanford during the Manhattan Project.
