National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
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.
T. H. Coulter worked for Clinton Laboratories at the X-10 Reactor.
Marjorie Richmond was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
