National Museum of Nuclear Science & History
Rufus Addison worked for the Edenfield Electric Company.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
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.