It's Warren Buffett's birthday today!
The Oracle of Omaha is now 83 years young.
And he still works.
Even in this age of Bloomberg Terminals and high speed trading, Buffett doesn't even have a computer at his desk.
Yet he continues to be the undisputed greatest investor to ever live.
What follows are images from a guided tour that Buffett gave to Charlie Rose and CBS's Lara Logan.
Note: Reporter Lisa Du originally worked on this feature.
Buffett's holding company, Berkshire Hathaway, has been based in this Omaha building for 50 years.
Nebraska, so there's got to be football memorabilia.
A University of Nebraska at Lincoln football helmet signed by former coach Tom Osborne and a mini Buffett.
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