Chester J. Ramatowski

H.J.F. Shirey

Adolph Zorner

Adolph Zorner worked at a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Zen B. Portwood

Zen B. Portwood worked for the J.A. Jones Construction Company.

Edward M. Parker

Edward Parker worked for the Kellex Corporation at the K-25 Plant.