National Museum of Nuclear Science & History
Helen Schneider was a staff worker at Los Alamos during the Manhattan Project.
Carlson worked for Stone and Webster Engineering Corporation.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Paul C. Schafhauser served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
