National Museum of Nuclear Science & History
A. U. Avera worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harold Evans was an American chemist. Evans was born in 1907 in Brazil, Indiana. He received a B.S. and an M.
Roy Tonneson worked for the Asbestos & Magnesia Materials Company.
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.
