Ages: 76 and 71
Occupation: Conservative donors
From their perch atop a private Kansas-based conglomerate, the Koch brothers have showered cash on conservative candidates, free-market think tanks and pro-business advocacy groups. Longtime backers of libertarian causes who provided support to the Tea Party and spearheaded efforts to derail cap-and-trade and health care reform, the Kochs have become infamous in liberal circles and heroes to the Republicans to whom they've opened their vast wallets.