George T. Elum

Ethel Loftis

Ethel Loftis worked for the United States Engineer District Office.

I. Roth

Roth worked at the 200 East Area at Hanford during the Manhattan Project.

T. J. O’Donnell

T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Jack F. Knowels