National Museum of Nuclear Science & History
H. W. Oldfield worked for the Roane-Anderson Company.
William Kann was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Earl Rau served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
W. R. McCauley, Jr. worked for the United States Engineer District Office.
