• Siegfried Woldhek
• Illustrator

• Speaking at TED2008
• February 2008
• Monterey, CA

The true face of Leonardo Da Vinci?: Mona Lisa is one of the best-known faces on the planet. But would you recognize an image of Leonardo da Vinci? Illustrator Siegfried Woldhek uses some thoughtful image-analysis techniques to find what he believes is the true face of Leonardo.