National Museum of Nuclear Science & History
William J. Collinson served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the navigator regularly assigned to the B-29 Some Punkins.
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
Charles Rupchock (1923-2000) was a staff worker at Los Alamos during the Manhattan Project.
