National Museum of Nuclear Science & History
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
Thoms Davis was an electrician assigned to work at Los Alamos. Prior to working for the Army Corps of Engineers at Los Alamos from January 1945 to June 1946, Davis worked at the Houston Shipyards.
A. U. Avera worked for the Tennessee Eastman Corporation at the Y-12 Plant.