Bert C. Lee

Ellsworth M. Risley

Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.

H. L. Pack

Leo J. Zbanek

Leo Zbanek worked for the United States Engineer District Office.

Okey B. Ellison

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