There has been a lot of stuff, on UK TV, recently, about the background to the 'Da Vinci Code'.
There was also a programme about Leonardo Da Vinci's 'wall-painting' (I think that the programme stated that it wasn't, strictly speaking, a 'fresco') of 'The Last Supper'. It seemed pretty obvious to me that the figure to Jesus's left is a woman. Many critics and 'Art Historians' (gissa job - I could do that!) lined up to state "rubbish - it's a man" - but it isn't a man, is it? Perhaps Dan Brown (whose other books I'm definitely not going to read!) has got a point ...