National Museum of Nuclear Science & History
Holl worked for Stone and Webster Engineering Corporation.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Richard H. Foss served in the 1st Ordnance Squadron.
W. J. Strickland worked for the Poe Piping & Heating Company.
Sayers worked for Stone and Webster Engineering Corporation.