National Museum of Nuclear Science & History
E. F. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jas Purcell worked for the Roane-Anderson Company.
Harrie Massey (1908-1983) was an Australian physicist. A brilliant student of physics, Massey arrived from his native Australia at Cambridge College in the United Kingdom on an academic scholarship.
John Henry Manley (1907-1990) was an American physicist. Manley worked on the Manhattan Project almost from its beginning, starting at the Metallurgical Lab at the University of Chicago.
Jerome Karle (1918-2013) was an American chemist and Nobel laureate. During the war, Jerome Karle and his wife, Isabella Karle, worked on the Manhattan Project at the University of Chicago.