John L. Arena

William H. Lawson

S.T. Cantrill

S. T. Cantrill was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Malvena Gilman

Malvena Gilman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. H. Dunker

Dunker worked at the 100-B Area at Hanford during the Manhattan Project.