Cynthia Redtke

James C. Baker

S. D. Tatalovich

S. D. Tatalovich worked for the United States Engineer District Office.

Philip Grant Koontz

Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Henry W. Wigen

Henry Wigen worked for the United States Engineer District Office.