National Museum of Nuclear Science & History
J. N. Holt worked for the United States Engineer District Office.
John W. Gofman was an American scientist who helped develop plutonium separation techniques during the Manhattan Project.
George Weisiger worked at Oak Ridge during the Manhattan Project, although it remains unknown what his specific duties were.
James Sircom Allen (1911-1982) was a Canadian-American physicist who worked at the Massachusetts Institute of Technology and Los Alamos during the Manhattan Project.
