Clarence H. Gerow Jr.

Dellis Caho

Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Bertha W. Pearson

John J. Norton

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

R. W. Chamberlain

Chamberlain worked at the 300 Area at Hanford during the Manhattan Project.