National Museum of Nuclear Science & History
Cunningham worked in the United States Engineer District Office.
Arthur M. Utley Jr. served in the First Ordnance Squadron.
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
C. S. Harrill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
