National Museum of Nuclear Science & History
G. E. McAllister worked for the United States Engineer District Office.
John Kennedy worked for the United States Engineer District Office.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ole G. Landsverk was a member of the health physics team at the University of Chicago Metallurgical Laboratory during the Manhattan Project.
J. S. Staples worked for the Fercleve Corporation.