Leonardo da Vinci · every age

What was Leonardo da Vinci doing at 50?

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

1. c. 1502

   Worked as Cesare Borgia's military engineer at 50

   He drew maps and designed fortifications.

   Source: en.wikipedia.org

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