The Templar Revelation: Secret Guardians of the True Identity of Christ is a 1997 book by Lynn Picknett and Clive Prince. It proposed a theory regarding Leonardo da Vinci's The Last Supper—that the person to the left of Jesus (to his right) is actually Mary Magdalene, rather than the apostle John (as most art historians identify it)—that later became central to the bestselling novel The Da Vinci Code.
