Leonardo da Vinci · every age

What was Leonardo da Vinci doing at 21?

Painter, anatomist, engineer. Started the Mona Lisa at 51

1. c. 1473

   Earliest dated drawing: the Arno valley, at 21

   A pen-and-ink landscape showing the river, Montelupo Castle and the farmland beyond.

   Source: en.wikipedia.org

Portrait: Drawing believed to be a self-portrait, Leonardo da Vinci (c. 1510), public domain, via Wikimedia Commons · source