John Langdon (typographer) Langdon is known mostly through his association with Dan Brown, and the novels "Angels & Demons", "The Da Vinci Code," "The Lost Symbol, Inferno, and Origin". The protagonist of these novels was named Robert Langdon as a tribute to John Langdon, and he will continue to be so for his next 12 books, an estimate given by Dan Brown himself. Langdon is now a professor of typography and corporate identity at Drexel University in Philadelphia. He continues to do work on ambigrams, as well and fine art works that incorporate language, type, and philosophy. Langdon credits his paternal grandparents for
Robert Langdon fell into a well when he was 7 years old. His father died when he was 12, and his new mentor father-figure became Peter Solomon, Secretary of the Smithsonian Institution. Known for a brilliant problem-solving mind and his genius, Langdon has an eidetic memory. As professor at Harvard University, he teaches religious iconology and the fictional field of symbology. As a hobby it is specifically mentioned that Langdon is a great swimmer and swam laps (50) daily, a "morning ritual," at Harvard's athletic facilities (hence the lap swimming scene in "Angels & Demons"). Langdon also mentions he was raised a