Despite being a prolific draughtsman, fewer than 20 paintings by Leonardo survive. But which were his greatest hits?

I have come to Windsor Castle to see the queen’s collection of Leonardo da Vinci drawings. Outside the towering stone walls, tourists snap selfies and rummage through souvenir tea towels.

But art historians know little about her beyond the writings and artworks left behind by the men who admired her E.R. Zarevich A close-up view of Leonardo da Vinci's Ginevra de' Benci, which ...