Harold Hamm Bio, Photos and Updates
Bio: Harold Hamm is an American oilman who is best known for pioneering the development of the large shale oil resources of the Bakken formation. In 2012 Hamm was ranked by Forbes magazine as the 30th richest person in America and 76th richest person in the world, with a net worth estimates as $11 billion.
Born: December 11, 1945 in Lexington, Oklahoma, United States
Posted In: Famous People Of United States