Wiley Thomas, Jr.

David Rudolph

David P. Rudolph was an administrator in charge of inventory at the Chicago Metallurgical Laboratory.

Minnie (Heller) Steinberg

Minnie (Heller) Steinberg was a junior biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Robert Kupp

Robert Kupp joined the Manhattan Project at Oak Ridge in January 1945. Kupp was a supervisor in the Line Recorder Department at K-25, where he monitored a mass spectrometer that determined the concentration of various material in the cascade while it was being processed.

Gerald E. Huber