National Museum of Nuclear Science & History
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.
Jas Purcell worked for the Roane-Anderson Company.
D. E. Hull worked for the Union Carbide & Carbon Corporation.
Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.