Daniel J. Keefe

J. E. Mason

J. E. Mason worked for the Roane-Anderson Company.

Sherman Fried

Sherman Fried was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Eugene F. Brang

Manuel M. Alcalde

Manuel Montes Alcalde (1921-2009) was a machinist at Los Alamos during the Manhattan Project. Alcalde was born in San Leandro, California.