Leo J. Seigel

Henry Mouk

Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.

R. C. Chisom

R. C. Chisom served in the 509th Headquarters and Base Services Squadron. 

Frank E. Smith

Stanley Krzyck

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