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 of 2003's "The Da Vinci Code", Robert Langdon is in Paris to give a lecture on his work. Having made an appointment to meet with Jacques Saunière, the curator of the Louvre, he is startled to find the French police at his hotel room door. They inform him that Saunière has been murdered and they would like his immediate assistance at the Louvre to help them solve the crime. Unknown to Langdon, he is in fact the prime suspect in the murder and has been summoned to the scene of the crime so that the police may extract a confession