National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Donald Flanders was an American mathematician who worked on the Manhattan Project at Los Alamos. Flanders was a group leader in the Theoretical Division headed by Hans Bethe.
J. A. Rorick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Anna Cox worked out of the DuPont Chambers Works plant in Carneys Point, New Jersey. Her contribution to the Manhattan Project included administrative work in the plant's transportation department, ensuring that tank cars had the proper bills of lading and ran in and out of the plant efficiently.
