National Museum of Nuclear Science & History
R. G. Hester worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
