Carl Y. Bawn

S.C. Nolan

Edward J. Fredrick

Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Mary Alice Nachtrieb

Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.

J. F. Grafton

Grafton worked in the United States Engineer District Office.