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
The Da Vinci Code in the Philippines Adolf Hitler. However, Cecille Guidote Alvarez, Philippine Presidential Adviser on Culture and the Arts, said Malacañang will not interfere in controversy about the film and leaves the decision to the Movie and Television Classification Board's (MTRCB) rating. Eventually, MTRCB decided to give "The Da Vinci Code" an R-18 rating (restricted to those under 18 years of age) despite PAAP's opposition for showing it. Jaro Archbishop Angel Lagdameo, president of the Catholic Bishops Conference of the Philippines (CBCP), expressed through a pastoral letter that even though "The Da Vinci Code" is a work of fiction, it "shapes the imagination, stirs emotions