National Museum of Nuclear Science & History
R. R. Rebol served in the 509th Headquarters.
S. H. Hall worked for the Roane-Anderson Company.
H. T. Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. W. Allstrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.