Robert Langdon Robert Langdon Professor Robert Langdon is a fictional character created by author Dan Brown for his "Robert Langdon" book series: "Angels & Demons" (2000), "The Da Vinci Code" (2003), "The Lost Symbol" (2009), "Inferno" (2013) and "Origin" (2017). He is a Harvard University professor of history of art and "symbology" (a fictional field related to the study of historic symbols, which is not methodologically connected to the actual discipline of semiotics). Tom Hanks portrays Langdon in the "Robert Langdon" film series, starting with the 2006 film adaptation of "The Da Vinci Code", reprising the role in the 2009 film adaptation
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