Robert Langdon of "Angels & Demons", and again in the 2016 film adaptation of "Inferno". Dan Brown created the character as a fictional alter ego of himself or "the man he wishes he could be". Brown himself was born June 22, 1964 in Exeter, New Hampshire, and the fictional Langdon is described as having been born on June 22, also in Exeter, and attending the same school as Brown did, Phillips Exeter Academy. Initially it is established that Langdon is a successful scholar who Brown named after John Langdon, a professor of typography at Drexel University who is known for his creation
John Langdon (typographer) had found his groove and his leading character. Robert Langdon was carried forward to the enormously successful "The Da Vinci Code", and "Angels & Demons" rode its coattails to worldwide popularity, and Langdon's ambigrams went along for the ride. An expanded second edition of Wordplay was published in 2005 by Broadway Books/Random House, followed shortly by British and French editions. Robert Langdon was, to some degree, patterned after John Langdon. Both are university professors; Robert Langdon studies symbols, with a particular focus on religious iconography; John Langdon designs symbols, and exhibits a distinct interest in philosophy. John creates ambigrams, Robert