National Museum of Nuclear Science & History
Brown worked in the United States Engineer District Office.
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. O. Carpenter worked for the Roane-Anderson Company.
