National Museum of Nuclear Science & History
Attended Carnegie Technical Institute.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Thomas S. Grennan served as a 2nd lieutenant in the 393rd Bombardment Squadron.
Leonard Lindey was a member of the Miltary Police assigned to Oak Ridge, Tennessee. He worked primarily in perimeter security, checking on all personnel coming in and out of the complex.