National Museum of Nuclear Science & History
Walter E. Jordan worked on the Manhattan Project as an employee of DuPont on the physics staff. He worked at the University of Chicago and Hanford, WA.
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.
H. A. Smith worked for the J.A. Jones Construction Company.
Butrimo worked at Los Alamos during the Manhattan Project.