Robert Langdon (book series) 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 is on a "constant spiritual journey"
Robert Zubrin featured in the Symphony of Science video "The Case for Mars" along with Carl Sagan, Brian Cox, and Penelope Boston. The fictional character Dr. Zachary Walzer in the 2010-11 independent VODO series "Pioneer One" was inspired by Zubrin. In 2016, Zubrin was one of several scientists and engineers interviewed in the National Geographic miniseries "Mars". Robert Zubrin Robert Zubrin (; born April 9, 1952) is an American aerospace engineer and author, best known for his advocacy of human exploration of Mars. He and his colleague at Martin Marietta, David Baker, were the driving force behind Mars Direct, a proposal intended