National Museum of Nuclear Science & History
N. N. Tracy worked for the J.A. Jones Construction Company.
Jasper Brown Jeffries was an American physicist. Jeffries was born in Winston-Salem, North Carolina, on April 15, 1912.
Jesse Beams (1898-1977) was an American physicist. Beams worked on the Manhattan Project through his research on centrifuges.
Cummings worked for Stone and Webster Engineering Corporation.