National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Martin Punis was a laboratory helper at the Chicago Met Lab during the Manhattan Project.
Billy B. Burns served in the 509th Headquarters and Base Services Squadron.
Harrington worked at the 100-F Area at Hanford during the Manhattan Project.
J. M. Ryan worked for the United States Engineer District Office.
