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 Adrian Langdon Robert Adrian Langdon Robert Langdon (1924–2003) was an Australian scholar known for his work as the executive officer of the Pacific Manuscripts Bureau, a part of the Australian National University. Langdon was born in Adelaide, served in the Royal Australian Navy during the Second World War, skipped university in favor of a writing career, and spent six years exploring South America. He undertook many different jobs prior to making his way to Tahiti to escape a cold Canadian winter. This journey changed his life. Because he couldn't find a single book that told the story of Tahiti, he returned home