Ambrose Knapinski

Walter J. Grundhauser

Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. E. Elrod

W. E. Allender

W. E. Allender worked for the Fercleve Corporation.

W. J. Williams

W. J. Williams worked for the United States Engineer District Office.