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

C.A.B. Johnson

Hanford, WA

James P. Diamond

Chicago, IL

Attended the Cooper Union for the Advancement of Science and Art.

Bert M. Bowman

Y-12 Plant

Bert M. Bowman worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Floyd Owen Slate

Decatur, IL

Professor Floyd Owen Slate (1920-2008) worked on the Manhattan Project at Decatur, IL and at Columbia University.