National Museum of Nuclear Science & History
N. D. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
J. M. Cox worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert Silverstone was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
