![Portrait of Leonardo da Vinci attributed to Francesco Melzi](https://cmsadmin.rct.uk/sites/default/files/lead_image_half_height/RC1894_Leonardo%201600%20x%20625_Yellow.jpg)
LEONARDO DA VINCI (VINCI 1452-AMBOISE 1519)
A nude youth as St John the Baptist
c.1485RCIN 912572
Renaissance artists commonly drew from a posed model, independently of any painted commission, to hone their draughtsmanship, observational skills and knowledge of human form.