National Museum of Nuclear Science & History
H. L. Ray worked for the Kellex Corporation at the K-25 Plant.
Betty L. Carlson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. H. MacDonald worked for the Union Carbide & Carbon Corporation.
Popovi Da was the son of Pueblo potter Maria Montoya Martinez and a veteran of the Manhattan Project.