National Museum of Nuclear Science & History
N. N. Tracy worked for the J.A. Jones Construction Company.
Harold N. Tenzer served in the 603rd Air Engineering Squadron.
Martens worked in the 200 West Area at Hanford during the Manhattan Project.
Chester Twork served in the 393rd Bombardment Squadron.
Hirst worked at the 100-D Area at Hanford during the Manhattan Project.