National Museum of Nuclear Science & History
Irving worked at the 300 Area at Hanford during the Manhattan Project.
Aaron Novick was a physical chemist at various Manhattan Project sites, including the University of Chicago, Hanford, Washington, and Los Alamos, New Mexico.
W. B. Caldwell worked for Clinton Laboratories at the X-10 Reactor.
Hays worked in the United States Engineer District Office
C. T. Hodge worked for the Tennessee Eastman Corporation at the Y-12 Plant.