National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Jim Johnson was an ordnanceman at Los Alamos from 1944 to 1945. He was born on January 8, 1926, and started work at the Naval Ordnance Test Station at China Lake, Califiornia in 1944.
K. T. Woolwine worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Caldwell worked for the J.A. Jones Construction Company.
