Cecil Bennett

W. H. McEachern

W. H. McEachern worked for the Fercleve Corporation.

G. E. Knutson

G. E. Knutson worked for the United States Engineer District Office.

Patricia Lear

Patricia Lear was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Carl E. Wilcoxen