National Museum of Nuclear Science & History
R. H. Ball worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
R. F. Conkling worked for the J.A. Jones Construction Company.
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.