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.
R. L. Lauderdale worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elizabeth Howlett was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.