Robert Langdon's favorite symbol is the double helix, which represents the interconnectedness of science and spirituality. The double helix is a recurring motif in Dan Brown's novels featuring Langdon, symbolizing the link between science and religion.

In the movie 'The Da Vinci Code', Professor Robert Langdon was trying to decipher a code left by the murder victim to uncover hidden messages about the Holy Grail and the whereabouts of a hidden secret. The code involved symbols and cryptic messages based on historical clues and religious references.

Robert Langdon is a Harvard symbologist who is the main protagonist in Dan Brown's novel "The Da Vinci Code." He is a professor of religious iconology and symbology, and is known for his expertise in decoding symbols and solving complex puzzles related to religious history and art. Langdon finds himself embroiled in a conspiracy involving a secret society and a quest to uncover hidden truths about the origins of Christianity.

In The Da Vinci Code, Robert Langdon realized the Fibonacci sequence was the key to solving the cryptex puzzle by recognizing the sequence in the numbers on the Vitruvian Man painting. He used the Fibonacci sequence to determine the correct order of the letters in the password.

Robert Langdon received his Mickey Mouse watch as a gift from his parents when he was a child. It holds sentimental value to him and he continues to wear it as an adult in memory of his parents.

Dr. Robert Langdon told Bezu Fache that he needed to use a ruse to slip away after seeing Jacques Saunière's dead body as he believed he was being framed for the crime. Langdon felt he needed to find the truth behind Saunière's murder and clear his name.

"Symbols of the Sacred Feminine" is not a real book published outside of the fictional world of "The Da Vinci Code." The book is a creation of the character Robert Langdon, and it serves as a key element in the storyline of the movie and book.

Robert Langdon took Mr. Kohler seriously when he realized that Kohler's information about the Illuminati was accurate and Kohler was willing to risk his own life to help Langdon stop the threat. Kohler's sincerity and dedication to the truth convinced Langdon of his credibility.

In Dan Brown's novels, Robert Langdon wears a Mickey Mouse watch that was a gift from his parents. The watch serves as a sentimental and practical reminder of his childhood.

Robert Langdon, character of Dan Brown's bestseller "Illuminati" didn't work for CERN as scientist, but he solved the case about the stolen antimatter, after the boss of CERN asked him to.

CERN or European Organization for Nuclear Research ..