National Museum of Nuclear Science & History
Dunn worked in the United States Engineer District.
Sloan worked at the 300 Area at Hanford during the Manhattan Project.
George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos 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.
