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
Robert Langdon (book series) himself. In the book series, Langdon is himself an author of six (fictional) books: In the real book "The Lost Symbol" on page 8, a minor character, Pam, refers to the (fictional) "Symbols of the Lost Sacred Feminine" as creating 'a delicious scandal'. The series has sold over 120 million copies. The novels were a success around the world and became bestsellers, and soon adapted into films in which Ron Howard directed and produced 3 of 5 novels: "The Da Vinci Code" (2006), "Angels & Demons" (2009), and "Inferno" (2016), with Tom Hanks portrayed the lead character, Professor Robert Langdon,