National Museum of Nuclear Science & History
J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Thornburg worked for Stone and Webster Engineering Corporation.
Major Frank Salfingere served in the Army at Los Alamos during the Manhattan Project.