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 (film) before "The Da Vinci Code". However, the filmmakers re-tooled it as a sequel. Hanks reprises his role as Langdon in the film, which was released in May 2009 to moderate (but generally better) reviews. Sony Pictures produced a film adaptation of "Inferno", the fourth book in the "Robert Langdon" series, which was released in October 2016 with Ron Howard as director, David Koepp adapting the screenplay and Tom Hanks reprising his role as Robert Langdon. Filming began on April 27, 2015, in Venice, Italy, and wrapped up on July 21, 2015. On December 2, 2014, Felicity Jones was in early