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
Control (fictional character) Control (fictional character) Control is a fictional character created by John le Carré. Control is an intelligence officer who acts as the head of "The Circus" (Cambridge Circus, London), the British overseas intelligence agency. He is a character in the novels "The Spy Who Came in from the Cold", "The Looking Glass War" and "Tinker Tailor Soldier Spy", and is referred to in several others, usually by association with le Carré's recurring protagonist George Smiley, who has served as Control's right-hand man. "Control" is a "nom de guerre"; the character's real name is never given, and it is suggested that