The portrait of Mona Lisa by Leonardo da Vinci ... Granted, the man’s inventions, such as they are re-created in the Museo ...

I have come to Windsor Castle to see the queen’s collection of Leonardo da Vinci drawings ... The most iconic, rendered tenderly in red chalk and curved hatch marks, depicts a fetus curled ...

At first glance, it’s a jumble of disconnected information: how to crush diamonds, how to mix paints of strong blue or red ... chalk—may be among the most famous in the world. Leonardo da ...