National Museum of Nuclear Science & History
H. M. Ellis, Jr. worked for the Roane-Anderson Company.
Joseph Rotblat (1908-2005) was a British-naturalized Polish physicist and 1995 Nobel Peace Prize winner.
J. B. Marcum worked for the Union Carbide & Carbon Corporation.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joseph Lyford worked for the Kellex Corporation at the K-25 Plant.