Kenneth C. Ferst

Mortimer D. Abbott

Mortimer D. Abbott was a group leader in the Technical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

John J. Reilly

V. W. Zeinfeld

V. W. Zeinfeld served in the 509th Headquarters.

Mary M. Fair

Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.