Milton G. Bracht

Marian S. Baumann

Marian S. Baumann was a laboratory technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Rayford J. Procella

Arthur N. Jaffey

Arthur N. Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Herbert L. Garrett