F. C. Meadows

Charles Vanden Bulck

C. Vanden Bulck worked for the United States Engineer District Office.

H. H. Wilson

H. H. Wilson worked for the United States Engineer District Office.

Luin W. Hough

Luin W. Hough was a photographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. S. Bell