National Museum of Nuclear Science & History
Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.
Mildred Summers was a chemical technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bergantz worked in the United State Engineer District Office.
Leonard W. Faist served in the 1st Ordnance Squadron.