M. A. Sanders

Ruth Haley

Ruth Haley worked on the Manhattan Project at Los Alamos. She was married to scientist Jano Haley.

Walter A. Ball

Walter A. Ball served in the 1027th Air Material Squadron.

Pauline McGrath

Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Herman Esch