Dan Brown is a New Hampshire-born author with an estimated net worth of $100 million dollars. Dan Brown is known most widely as the author of "The DaVinci Code" and "Angels and Demons". Both books were turned into films starring Tom Hanks. "The DaVinci Code" has sold 81 million copies worldwide. "The Lost Symbol", the third book to feature main character Robert Langdon, was released in late 2009.