National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Herman H. Fussler was the Assistant Director of the Information Division and Librarian of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
