How Four Aging Billionaires Are Making Sure Their Money Doesn’t Go To Uncle Sam

Boomers and their elders control $93 trillion, or two-thirds of America’s household wealth. Forbes 400 members Phil Knight, Charles Koch, Barry Diller and Harold Hamm give a master class in how to make sure your money goes to charity and children.

_{By Matt Durot, Forbes Staff}

“There’s four seasons in Oregon: fall, winter, spring and smoke,” laments Nike cofounder Phil Knight, 85.

Speaking in August from his home in the center of the state, he estimates that because of wildfires, visibility out his windows is limited to 100 yards. “It’s the most beautiful state in the world, so to have it devastated by smoke is heartbreaking. I’ve spent a little money looking into it, and controlling these fires on the West Coast is very doable.”