National Museum of Nuclear Science & History
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gladys Evans worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She experienced the living conditions at Oak Ridge, including the weather, heightened security, and social life.
W. K. Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
