Frank P. Mieszczak

Clarence Signaigo

Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.

P. E. Church

Church worked at the 200 East Area at Hanford during the Manhattan Project. 

Glen Montgomery

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

E.C. Schulte