National Museum of Nuclear Science & History
Helen Addison worked for the Roane-Anderson Company.
Floyd J. Ritchie served in the 1027th Air Material Squadron.
R. P. Connell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
