Criticism of The Da Vinci Code "Smithy Code Jackie Fisher who are you Dreadnought", referring to the British admiral whom Judge Smith admires. As with the book, this secret message made use of Fibonacci numbers for its encoding. Dan Brown has been sued twice in The United States by author Jack Dunn who claims Dan Brown copied his book The Vatican Boys (1997) to create The Da Vinci Code, Angels & Demons and Brown's now famous character Robert Langdon. Jack Dunn calls Dan Brown's actions, "The Largest Literary and Movie Crime in History." At a conference on April 28, 2006 Archbishop Angelo Amato, the secretary of
Da Vinci Systems and was considered a significant player in the post production industry during its 25 years of operation. da Vinci Systems equipment was initially developed by Video Tape Associates (VTA) in 1982 for use by the Hollywood, Florida, USA-based production/post production facility to alter and enhance colors from scanned film and video tape. The Wiz system, as it was later known, was marketed to other post production facilities, laying the foundation for the creation of the colorist and the post production color suite. In September 2009, after the liquidation of the company, the assets of da Vinci Systems were acquired by