National Museum of Nuclear Science & History
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.