National Museum of Nuclear Science & History
D. R. Keyes worked for the A. S. Schulman Electric Company.
George Riggenbach was a staff worker at Los Alamos during the Manhattan Project.
Louella Simmons was a procurement and property worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Burris Cunningham was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
