Ask Wall Street bankers the net worth of hedge fund manager Paul Tudor Jones, and they'll tell you, $3.6 billion. But ask a homeless child or a struggling family and they'll tell you that a spreadsheet is no way to measure a man.

Mr. Jones wondered why, if billionaires, like him, are such geniuses, do nearly two million people in New York City live in poverty? In 1988, he started a charity called the Robin Hood Foundation. Twenty five years later, Robin Hood has given away more than one and a quarter billion dollars.

(WATCH the video from 60 Mins, or READ the story from CBS News)