Floyd J. Ritchie

Frank M. Fradelia

Werner H. Haak

Werner H. Haak was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Leona Marshall Libby

Leona Woods, later Leona Woods Marshall and Leona Marshall Libby, was perhaps the most well-known woman scientist working on the Manhattan Project.

T. M. Mitchell

T. M. Mitchell worked for the Roane-Anderson Company.