American billionaire David Koch. Photo: EPA-EFE

David Koch, US billionaire and Republican mega donor, dies aged 79

  • Koch, one of the richest men in the world, became champion of many conservative causes in America
  • Together with his older brother, Charles, the Kochs were best known for a vast political network they built that became popularly known as the ‘Kochtopus’
Topic |   United States

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American billionaire David Koch. Photo: EPA-EFE
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