National Museum of Nuclear Science & History
H. M. Schenk worked for the United States Engineer District Office.
C. W. Bullard worked for the J.A. Jones Construction Company.
H. H. Maples worked for the Roane-Anderson Company.
Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Butrimo worked at Los Alamos during the Manhattan Project.