John R. Ruhoff

Lieutenant ColonelOak Ridge, TN

Manhattan Project VeteranMilitary VeteranProject Worker/Staff

John Ruhoff worked for the United States Engineer District Office.

The cover of the Oak Ridge Journal that mentions Ruhoff

A page from the Oak Ridge Journal that mentions Ruhoff

A page from the Oak Ridge Journal that has a photo of Ruhoff and mentions his responsibilities.

Related Profiles

Sandine F. Gilbert

Los Alamos, NM

Roberta A. Edwards

Chicago, IL

Roberta A. Edwards was a lab technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. A. Koutnik

Oak Ridge, TN

John L. Allen

Los Alamos, NM