National Museum of Nuclear Science & History
Robert H. Shumard served as a sergeant in the 393rd Bombardment Squadron. He worked as an assistant engineer, aiding the other crew engineers with keeping the planes running during bombing missions.
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.
