A. Schmidt, Jr.

J.W. Simmons

E. P. Kelleher

Kelleher worked for Stone and Webster Engineering Corporation.

Henry J. Wollweber

Henry J. Wollweber was a guard at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Elton H. Turk

Elton H. Turk was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.