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David Koch, the billionaire industrialist, conservative donor and philanthropist, has died at age 79

  • David Koch, a prominent donor to the Republican Party and the conservative movement, has died at 79
  • The details surrounding his death, including the date, time and cause are unclear
  • Along with his brother Charles, David built his fortune as the co-owner of Koch Industries, the second-largest privately held company in the United States
  • At the time of his death his net worth was an estimated $42.4billion, making him the 11th richest person in the world
  • The Koch brothers were a lightning rod for criticism from the Democratic Party and environmental activists
  • During his lifetime he contributed hundreds of millions of dollars to philanthropic causes, particularly medical research 

Billionaire businessman David Koch, one of the richest men in the world and a prominent Republican party donor, has died.

‘Sources close to the family say David Koch has died,’ New Yorker reporter Jane Mayer tweeted on Friday morning, breaking the news.

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