J. P. Holt

Olpha S. Clark

Patricia Walsh

Patricia Walsh was a research assistant at the Chicago Met Lab during the Manhattan Project. Walsh was born in 1920 in Washington, D.

Roy V. Henderson

Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. W. Sutherland

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