He's the professor of symbology who is the protagonist of "The Da Vinci Code" & "Angels & Demons"
Unlike the first film where you had the characters sit down for some "discussion 
time"... [DOC] [TLE] Angels & Demons (Film) | The Dan Brown Wiki | Fandom powered ... [PAR] Angels & Demons is a 2009 American mystery-thriller film directed by Ron .... See 
also: List of characters in Angels & Demons ... his role as Robert Langdon, a 
Harvard University professor of symbology.