John T. Hendricks

Leona Marshall Libby

Leona Woods, later Leona Woods Marshall and Leona Marshall Libby, was perhaps the most well-known woman scientist working on the Manhattan Project.

M. V. Armstrong

Clarence H. Mathews

Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

D.M. Smith

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