National Museum of Nuclear Science & History
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.
Samuel E. Hale served in the 393rd Bombardment Squadron.
Hoover worked at the 300 Area at Hanford during the Manhattan Project.