National Museum of Nuclear Science & History
J. P. Marus worked for the J.A. Jones Construction Company.
Floyd E. Ross served in the radar section of the 393rd Bombardment Squadron.
E. W. Montgomery worked for the United States Engineer District Office.
Curtis T. Barker served in the 1st Ordnance Squadron.
William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.