National Museum of Nuclear Science & History
R. W. Llewellyn worked for the United States Engineer District Office.
Joseph (J.) Garrott Allen was a research associate in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ida Cunningham was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
