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One of the world’s richest people and American billionaire, David Koch has died at the age of 79.
Late Koch and his brother, Charles, co-owned Koch Industries, a Nebraska-based energy and chemical company, since 1983. David stepped down from running the Koch organization last year due to declining health.
The Koch brothers helped to build a massive conservative network of donors for organizations that work to mobilize voters and sway elected officials in support of libertarian-leaning economic policies.