James I. Pegram

Kenneth J. Dunahugh

Harry Schulman

Harry Schulman worked for the A. S. Schulman Electric Company.

William “Bill” J. Knox

William “Bill” J. Knox was a research associate 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.