National Museum of Nuclear Science & History
Charles Rupchock (1923-2000) was a staff worker at Los Alamos during the Manhattan Project.
Hasselblad worked at the 100-F Area at Hanford 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.
