National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
B. B. Pewitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. J. Curtis worked for Clinton Laboratories at the X-10 Reactor.
Ike Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. M. Smith worked for the United States Engineer District Office.