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.