Obituary
David Koch, Industrialist Who Funded Conservatives, Dies at 79
- Billionaire ran Koch Industries with his brother Charles
- Stepped down from business and political activities in 2018
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David Koch, the industrialist and libertarian who used his fortune to transform American politics while also donating more than $1 billion to philanthropic causes, has died. He was 79.
Koch died after years of fighting various illnesses, according to a statement from Koch Industries on Friday. He’d been diagnosed with prostate cancer 27 years ago and initially doctors said he had just a few years to live.