National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
R. D. Arthur worked for Clinton Laboratories at the X-10 Reactor.
Haley worked in the United States Engineer District Office.
Raymond Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert R. Anderson was a staff member at Los Alamos during the Manhattan Project.