National Museum of Nuclear Science & History
R. N. Babcock worked for the Roane-Anderson Company.
Thomas H. Olmstead worked as a part of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.
William Johnson worked for the United States Engineer District Office.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
