Wallace Gray Stone

K. G. Frese

K. G. Frese worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Leo DeWitt

George Maronde

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.

E. Prendergast

E. Prendergast worked for the United States Engineer District Office.