J. T. Christy

Mary Lanahan

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

Woodrow R. Ellwood

Clay F. Cross

Clay Cross worked for the Roane-Anderson Company.

Felix DePaula

Felix DePaula was born in Brooklyn, New York on June 3, 1926. He was drafted into the U.S. Army in 1944, and placed in the Army Corps of Engineers.