John Langdon (typographer) Langdon is known mostly through his association with Dan Brown, and the novels "Angels & Demons", "The Da Vinci Code," "The Lost Symbol, Inferno, and Origin". The protagonist of these novels was named Robert Langdon as a tribute to John Langdon, and he will continue to be so for his next 12 books, an estimate given by Dan Brown himself. Langdon is now a professor of typography and corporate identity at Drexel University in Philadelphia. He continues to do work on ambigrams, as well and fine art works that incorporate language, type, and philosophy. Langdon credits his paternal grandparents for
Parker (Stark novels character) a clear reference to Parker. Max Allan Collins authored a series of novels with a protagonist named "Nolan" who was an homage to Westlake's Parker. Collins said of the character: "[T]he concept was to take a Parker-like character who has reached the ancient age of 48 and wants badly to retire, and of course needs one last heist to do so." The television series "Leverage" features a character named "Parker". As played by Beth Riesgraf, Parker is an expert thief, cat-burglar, pickpocket and safe-cracker. Like Stark's Parker, this character is also only known by the single name "Parker". The webcomic