It's Forbes 400 Time Again
You now need $1.3B to make list of richest Americans
By Katherine Thompson,  Newser Staff
Posted Sep 21, 2007 7:15 AM CDT
Microsoft Corp. Chairman Bill Gates speaks at "Launch Tour 2007" in Seattle, to tout the release of Microsoft Windows Vista in this Feb. 26, 2007 file photo. Forbes magazine releases its annual rankings...   (Associated Press)
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(Newser) – In the 25th year of Forbes magazine's rankings of the 400 riches Americans, the net worth at the poor end of the list is $1.3 billion, up from a flat $1 billion a year ago. Microsoft founder Bill Gates still tops the list with $59 billion, closely followed by Warren Buffett ($52 million). Forty-five of the members appear on the list for the first time.

Kirk Kerkorian posted the biggest gain from last year by doubling his worth to $18 billion. Former Enron trader John Arnold is the youngest person on the list, at 33. Several notables dropped off, including Starbucks founder Howard Schultz and Campbell's Soup's Dorrance Hill Hamilton, who has been a feature on the list since it began.