National Museum of Nuclear Science & History
S. W. Sayre worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. E. Coppenbarger worked for the Edenfield Electric Company.
Andrew Stehney was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
David L. Hill was an associate experimental physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.