George J. McCabe

William E. Vesper

Winifred T. Koziolek

Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Chester R. Lodge

Chester Lodge worked for the United States Engineer District Office.

I. A. Butcher

I. A. Butcher worked for the Kellex Corporation at the K-25 Plant.