National Museum of Nuclear Science & History
T. J. Costello worked for the Comstock-Bryant Electric Company.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Raymond Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O. W. Manz, Jr. worked for the Union Carbide & Carbon Corporation.
