A brief biography of the African American scientist who overcame tremendous hardship to make unusual and important discoveries in the field of agriculture.

"Robert Langdon, professor of religious symbology at Harvard, is in Paris to give a lecture. At the reception that follows, he is scheduled to meet with a revered curator from the world-famous Louvre museum. But the curator never shows up, and later that night Langdon is awakened by authorities and told that the curator has been found dead. He is then taken to the Louvre—the scene of the crime—where he finds out that baffling clues have been left...

The secret Catholic organization known as Opus Dei has struck. The elderly curator of the Louvre has been found dead inside the museum, surrounded by eldritch ciphers in invisible ink. It is up to Harvard semiotician Robert Langdon and his French cryptologist partner Sophie Neveu to decode the cipers, and get to the bottom of an ever-widening mystery. They discover that the late curator was the gatekeeper of the "Priory of Sion", a secret society...

A biography of the Shoshone woman who joined the Lewis and Clark Expedition.

Harvard symbologist Robert Langdon discovers evidence of the resurgence of the most powerful underground organization in history, the Illuminati. Upon learning of an unstoppable terrorist act against the Vatican, Langdon travels to Rome and joins forces with Italian scientist Vittoria Vetra and together they will follow the 400-year-old Path of Illumination that leads to the Vatican's only chance for survival.

Takes you on an in-depth journey through the heart of the mysteries behind Dan Brown's best-selling novel 'The Da Vinci Code'. Cuts through the confusion, ultimately cracking Da Vinci's code and revealing the remarkable truth behind the legend of the Holy Grail. Probe new revelations in an exclusive discussion with the authors of the book 'The Templar Revelation', the main source for 'The Da Vinci Code'. Listen to a renowned expert on comparative...

When respected American religious symbology expert Dr. Robert Langdon is summoned to the Louvre by French Captain Bezu Fache, he soon discovered that he is the number 1 suspect for the murder of a historian Langdon had been scheduled to meet with. Assisted by a French cryptographer and government agent named Sophie, Langdon is challenged to decipher a chain of cryptic codes and puzzles, all the while trying to stay ahead of Fache's lawmen in a chase...

Angels & demons: Expert symbologist Robert Langdon is summoned to Rome when four Cardinals are abducted by the church's nemesis, The Illuminati. Joining forces with beautiful professor of physics and biology Vittoria Vetra, Langdon pursues obscure and ancient clues through secret passages, cathedrals, crypts and the most secret vault in history to succesfully prevent The Illuminati blowing up Vatican City. The DaVinci code: When respected American...

When Robert Langdon wakes up in an Italian hospital with amnesia, he teams up with Sienna Brooks, a doctor he hopes will help him recover his memories. Together, they race across Europe and against the clock to stop a madman from unleashing a global virus that would wipe out half of the world's population.