National Museum of Nuclear Science & History
Conrad Roescke was a staff worker at Los Alamos during the Manhattan Project.
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thomas Lanahan was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marion Hay worked for the Tennessee Eastman Corporation at the Y-12 Plant.
