National Museum of Nuclear Science & History
L. J. Ritter worked for the Roane-Anderson Company.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
Carrie Johnson was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Elizabeth Butler was an infant in Oak Ridge, TN during the Manhattan Project. Her father worked for the civilian contractor Tennesee Eastman and was exposed to radiation while working on piping in K-25.
