Herbert E. Lindemann

A. P. Nicholson

Nicholson worked for Stone and Webster Engineering Corporation.

Robert Nobles

Robert Nobles (1917-2007) was an American physicist who worked on the Manhattan Project at the University of Chicago with Enrico Fermi.

James W. McKinney

Fredrick “Fred” D. Johnson

Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.