David Koch, billionaire conservative activist and philanthropist, dies at 79 - NBC News
- David Koch, billionaire conservative activist and philanthropist, dies at 79 NBC News
- Billionaire David Koch, Who Used His Wealth to Reshape U.S. Politics, Dies at 79 The Wall Street Journal
- David Koch, billionaire businessman and influential GOP donor, dies CNN
- David Koch, billionaire philanthropist and prolific GOP donor, dead at 79 Fox News
- David Koch, billionaire conservative donor, dies at 79 POLITICO
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