John R. Ruhoff

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

Harold Hurst worked for the J.A. Jones Construction Company.

Marjorie Richmond was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Leston Stark was a staff worker at Los Alamos during the Manhattan Project.