P.C. Herman

Addie Saunders

Addie Saunders was a laboratory assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Clarabel Mills

Arthur Squires

Dr. Arthur Squires was born in Kansas and received a Bachelor’s Degree in Chemistry from the University of Missouri.

Leo P. Hassen

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