Harold Glenn Hamm [1] (born December 11, 1945) is an American business magnate in the oil and gas business. He is known for pioneering fracking of shale oil resources. [2] [3] As of February 4, 2022, Hamm's net worth is estimated to be US$18.5 billion, making him the 63rd wealthiest person in the world. [4] More @Wikipedia
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