National Museum of Nuclear Science & History
E. F. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lawrence B. Magnusson was a research associate at the Metallurgical Laboratory at the University of Chicago.
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.