John L. O’Gara

LieutenantOak Ridge, TN

Manhattan Project VeteranMilitary VeteranProject Worker/Staff

John O’Gara worked for the United States Engineer District Office.

Related Profiles

William H. Hannon

Al R. Threadgill

Al Threadgill worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Francis R. Shonka

Francis R. Shonka (1906-1970) was an American physicist and inventor. Shonka taught physics for a number of years in China and at St.

Percy A. Wells