Industrialist David Koch dies at 79
David Koch — the billionaire industrialist who backed conservative politics — has died at age 79. With a net worth of $50.5 billion, the longtime New York resident was tied with his brother Charles as the…
David Koch — the billionaire industrialist who backed conservative politics — has died at age 79. With a net worth of $50.5 billion, the longtime New York resident was tied with his brother Charles as the…