National Museum of Nuclear Science & History
John Leahy worked for the United States Engineer District Office.
Lt. Col. James Iredell Hopkins, Jr. served in the 509th Headquarters and Base Services Squadron.
Ruth K. (McNunis) Bansch was a laboratory technician in the Health Division at the University of Chicago Met Lab.
M. S. Cressy worked for the Fercleve Corporation.
B. P. Rollyson worked for the Roane-Anderson Company.