L. B. Whitman

Mathias A. Klinger

Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. Perry

C. Perry worked for the Roane-Anderson Company.

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.

J.C. Gale