National Museum of Nuclear Science & History
Mildred McNamee worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. M. Walker, Jr. worked for the Kellex Corporation at the K-25 Plant.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold E. Young was a staff worker at Los Alamos during the Manhattan Project.
