National Museum of Nuclear Science & History
Roy Greenlee was a chemist at the University of Chicago Metallurgical Lab and at Oak Ridge, Tennessee.
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.
David Nicodemus (1916-1999) was an American physicist. Nicodemus worked at Los Alamos during the Manhattan Project and witnessed the Trinity Test.