Richard S. Guenther

Earnest P. Smith

Earnest P. Smith served in the 1027th Air Material Squadron.

Norman H. Nachtrieb

Norman Harry Nachtrieb was an American chemist who worked on the Manhattan Project at the University of Chicago and Los Alamos.

Sylvin K. Ballard

Arthur “Pete” V. Peterson

Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.