A. E. Carlson

Evelyn J. Brown

Evelyn Brown was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Joseph LaRocco

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

James J. Urban

Urban worked at the 200 West Area at Hanford during the Manhattan Project. 

John A. Williams