National Museum of Nuclear Science & History
H. R. Grady worked for the Tennessee Eastman Corporation at the Y-12 Plant.
S. B. Reed worked for the United States Engineer District Office.
John Baker worked for the Roane-Anderson Company.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. M. Schenk worked for the United States Engineer District Office.