Ross S. Thackeray

Raymond J. Elbert

Attended the University of Wisconsin.

V. B. Larson

Joseph LaRocco

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

Marvin Tetenbaum

Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.