Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

John Geffel Sr.

Project StaffOak Ridge, TN

Manhattan Project VeteranProject Worker/Staff

John Geffel worked at Oak Ridge as the Prime Building Contractor for Construction of the Oak Ridge facilities. His wife, Teresa Logidice Geffel, also worked as the Chief Nurse-in-Charge at Oakridge’s hospital during the course of the Manhattan Project.

John Sr. (top left) and Theresa (top right). and sons Robert (bottom left) and John (bottom right)

John Sr.’s grandchildren, Mimi and Robyn Geffel in 1952.

Related Profiles

Charles Robert Emigh

Los Alamos, NM

Bob Emigh was in the Navy and worked with Deak Parsons on telemetry for the bombs. He was assigned as the science officer for the planned third bomb.

B. B. Pewitt

Y-12 Plant

B. B. Pewitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Dixie Bigler

Y-12 Plant

Dixie Bigler worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Jane V. DeRenzis

Oak Ridge, TN

DeRenzis worked in the United States Engineer District.