National Museum of Nuclear Science & History
A. A. Carswell worked for the Roane-Anderson Company.
Walter Johnson worked for the United States Engineer District Office.
John Brolley was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William J. Nicholson was born on March 2, 1924 in Chicago, Illinois. Growing up, he was interested in engineering, aviation, and aeronautics.
William Sullivan was a staff worker at Los Alamos during the Manhattan Project.
