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.
Matoske worked in the 300 Area at Hanford during the Manhattan Project.
Clarence Yohn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. T. Woolum worked for the Roane-Anderson Company.
