Howard G. Manuel

R. W. Beachley

Beachley worked for Stone and Webster Engineering Corporation.

G. T. E. Sheldon

Robert Nobles

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

Grace R. Harvey

Grace R. Harvey was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.