# Siegfried Woldhek shows how he found the true face of Leonardo

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.

- Kind: Talk
- Year: 2008
- Runtime: 4 min
- By: TED.com
- Genres: Education, Science, History
- Archive: [Internet Archive](https://archive.org/details/SiegfriedWoldhek_2008)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/SiegfriedWoldhek_2008?play=1)