National Museum of Nuclear Science & History
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.
Charles Wayne Woerner was born in October 1910 in Philadelphia, PA, and lived most of his life in that area, except for his years assigned to the Manhattan Project during his employment with Stone & Webster Engineering.
A. E. Cameron worked for the Tennessee Eastman Corporation at the Y-12 Plant.