Charles & David Koch
Their combined wealth comes out to $98 billion, money made in the oil and gas industry. Fred Koch developed a new way to refine oil into gas, and the brothers engaged in a legal battle to win the rights.
Their combined wealth comes out to $98 billion, money made in the oil and gas industry. Fred Koch developed a new way to refine oil into gas, and the brothers engaged in a legal battle to win the rights.
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Post originally appeared on Upbeat News.