National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. R. Bobinson served in the 509th Headquarters and Base Services Squadron.
Arthur M. Ross was born in Revere, MA. He attended the Massachusetts Institute of Technology. During the Manhattan Project, he served in the Special Engineer Detachment at Oak Ridge, TN at the X-10 Graphite Reactor.
Gritten worked in the United States Engineer District Office.