Francis E. Elder

R.D. Nicks

Nicks worked at the 300 Area at Hanford during the Manhattan Project.

Duillio DiCostanzo

Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Walter R. Julek

Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

L. R. Martin