O. M. Allan

Wilber A. Stevens

Wilber A. Stevens was an army officer in charge of overseeing construction at Los Alamos. He helped choose the site where the Manhattan Project would test its first atomic bomb.

Opaline Calhoun

Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Zola DiMartino

Zola DiMartino worked for the Roane-Anderson Company.

Walter Roehr