Leo A. Ortega, Jr.

William H. Hartwig

R. M. Ayers

R. M. Ayers worked for the Roane-Anderson Company.

John W. Burr

John W. Burr was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.

Thomas Puddester

Thomas Puddester was a staff worker at Los Alamos during the Manhattan Project.