National Museum of Nuclear Science & History
Clarence Francis Hiskey (1912-1998) was an American chemist and Soviet spy. He worked at Columbia University and the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Munn worked in the 300 Area at Hanford during the Manhattan Project.
D. V. Zehner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
T. W. Brownback worked for the Red Cross.