National Museum of Nuclear Science & History
Roger Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. M. Bryans worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
S. W. Pratt worked for Clinton Laboratories at the X-10 Reactor.
Annie Powell worked for the Tennessee Eastman Corporation at the Y-12 Plant.