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
Dr Pimms, Intermillennial Sleuth Dr Pimms, Intermillennial Sleuth The Dr Pimms, Intermillennial Sleuth series, also known as the "Dr Pimms novels", is a series of books written by Queanbeyan-based author L.J.M. Owen. Owen has a similar background to the main character, sharing studies in archaeology and librarianship, and received her Doctor of Philosophy in paleogenetics from the Australian National University (ANU) in 2003. The forensic science techniques and approaches in the Dr Pimms novels are based on Owen's studies and experience at the ANU. Her goal in writing the series is to promote women's roles throughout history. The series focuses on Dr Elizabeth Pimms,