National Museum of Nuclear Science & History
W. A. Cone worked for the J.A. Jones Construction Company.
Rudolph W. Hogg served in the 1st Ordnance Squadron.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Brackett worked in the United States Engineer District Office.
A. Schwiebert worked for the Roane-Anderson Company.
