Charles Dietrich

H. T. Cannon

W. C. Hutto

W. C. Hutto worked for the Roane-Anderson Company.

Margaret M. Emmerson

Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Nelen Supert

Nelen Supert was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.