Sterling F. Schrodt

Hugo Leckelt

Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. R. Clarkson

Clarkson worked in the United States Engineer District Office.

J.E. Irwin

G. M. Fleetwood

G. M. Fleetwood worked for the Fercleve Corporation.