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.
Clatworthy worked at the 200 West Area at Hanford during the Manhattan Project.
Pef worked for Stone and Webster Engineering Corporation.
Lawrence Sperry worked for the United States Engineer District Office.
