The richest people in America (17 images)

As one could expect, many of the rich became richer, but just who came out on top of the Forbes 400 list of the richest individuals in America? Bill Gates, of course, but there are several surprises to be found on the list of the richest Americans, including some of the youngest, and oldest, individuals to stash away billions in the bank.
Updated: Sept. 22, 2011 at 1:51 PM
Bill Gates - $59 billion
Warren Buffett - $39 billion
Larry Ellison - $33 billion
David and Charles Koch - $25 billion
The Walton Family - $20.9 to $24.5 billion
George Soros - $22 billion
Sheldon Adelson - $21.5 billion