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 just to remind myself that life is too short to read books like "The Da Vinci Code"." Author Lewis Perdue alleged that Brown plagiarized from two of his novels, "The Da Vinci Legacy", originally published in 1983, and "Daughter of God", originally published in 2000. He sought to block distribution of the book and film. However, Judge George Daniels of the US District Court in New York ruled against Perdue in 2005, saying that "A reasonable average lay observer would not conclude that "The Da Vinci Code" is substantially similar to "Daughter of God"" and that "Any slightly similar elements