National Museum of Nuclear Science & History
T. H. Samford worked for the J.A. Jones Construction Company.
John Nomerding was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Head worked for Stone and Webster Engineering Company.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.