Robert L. Young

H. G. Hoberg

H. G. Hoberg worked for the United States Engineer District Office.

Andrew H. MacMahon

Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Paul V. Branum

Virginia Cowan

Virginia Cowan worked for the Tennessee Eastman Corporation at the Y-12 Plant.