William T. St. Clair

S. B. Warden

Edward W. Foote

Foote worked in the United States Engineer District Office.

Lomie F. Caho

Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. C. Tippins

J. C. Tippins worked for the J.A. Jones Construction Company.