Clifford Pearson

Mrs. Louise Ruotolo

Agnes Gnaedinger

Agnes Gnaedinger was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Jack Walz

Jack Walz served in the First Ordnance Squadron.

Hugo Leckelt

Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.