Robert E. Brueckmann

Ester L. Stoner

Ester Stoner was a staff worker at Los Alamos during the Manhattan Project.

J. B. Warner

Pauline McGrath

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

Genevieve Gerth

Gerth worked in the United States Engineer District Office.