National Museum of Nuclear Science & History
C. Perry worked for the Roane-Anderson Company.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
Bertram S. Cash served in the 393rd Bombardment Squadron.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
Figenbaum worked for Stone and Webster Engineering Corporation.
