KEY POINTS
  • Billionaire David Koch, with his older brother, Charles, etched their name as a powerful duo in the world of political finance.
  • They also ran Koch Industries, one of the nation's largest privately held conglomerates.
  • Their sprawling political empire spans across the United States and includes conservative and libertarian nonprofits such as Americans for Prosperity, Freedom Partners and Concerned Veterans for America.
  • David Koch once ran for vice president under the Libertarian Party. 
David Koch

David Koch, the billionaire, industrialist, philanthropist, political activist and onetime vice presidential candidate for the Libertarian Party, died Friday. He was 79.

"It is with a heavy heart that I announce the passing of my brother David," Charles Koch announced in a statement. "Anyone who worked with David surely experienced his giant personality and passion for life."