Charles and David Koch
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Charles and David Koch, in full Charles de Ganahl Koch and David Hamilton Koch, also called Koch brothers, (respectively, born November 1, 1935, Wichita, Kansas, U.S.; born May 3, 1940, Wichita—died August 23, 2019, Southampton, New York), American brothers who were majority co-owners of the energy conglomerate Koch Industries, Inc., and major financial supporters of libertarian and conservative causes in the United States in the late 20th and early 21st centuries. Through the success of their company, one of the largest privately held corporations in the world, Charles and David Koch became two of the richest persons in the country. ...(100 of 595 words)