Robert Langdon (book series) and was released by Columbia Pictures. Robert Langdon (book series) The "Robert Langdon" book series is named after Robert Langdon, the protagonist of the novels by American author Dan Brown. Langdon is portrayed as a Harvard University professor of religious iconology and symbology, a fictional field related to the study of historic symbols, which is not methodologically connected to the actual discipline of semiotics. Brown's novels that feature the lead character also include historical themes and Christianity as motifs, and as a result have generated controversy. Brown states on his website that his books are not anti-Christian, and that he
Robert Adrian Langdon presented evidence for his controversial theory that the cannons were from the "San Lesmes", a ship of the Spanish Loaisa Expedition. Langdon proposed that the "San Lesmes" had foundered on the atoll, thrown off the cannons to refloat, sailed to Tahiti where some members of the crew remained, and then onward to discover New Zealand. This theory had all but been forgotten until Greg Scowen published his novel "The Spanish Helmet" in 2011, basing much of the story on the presumed journal of the captain of the "San Lesmes", Francisco de Hoces. Robert Adrian Langdon Robert Langdon (1924–2003) was an