Jack Hartpence

A. E. Kingalover

A. E. Kingalover worked for the Roane-Anderson Company.

Marian Cox

Max Dubin

Dubin worked in the United States Engineer District Office.

Frances Zollner

Frances Zollner worked as a purchasing agent for the Manhattan Project at the University of Chicago. At Chicago, Zollner would meet many of the scientists who were improving various scientific parts and procedures throughout the duration of Manhattan Project.