National Museum of Nuclear Science & History
George O'Connell worked for the H. K. Ferguson Company.
William Rubinson was a chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Clifford C. McCutcheon served in the 1st Ordnance Squadron.
Stanley Stewart was the Contracting Officer at Los Alamos during the Manhattan Project. After the bombings of Hiroshima and Nagasaki, Stewart wrote, “The security restrictions on our part of the work [at Los Alamos] have been more rigid than than on any other portion of the entire Manhattan Project.
