Marcellus H. Fricke

C. E. Kircher

Charles E. Kircher III (1908-1972) was a chemical engineer who worked on the Manhattan Project for DuPont.

J. G. Carney

R. E. Donnell

Pauline McGrath

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