C.J. Nedbredge

Leslie F. Spalding

Leslie Spalding worked for the United States Engineer District Office.

Lillian Guadagna

Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Frank H. Case, Jr.

Frank Case, Jr. worked for the Roane-Anderson Company.

Edward J. Starkowicz