Who are some famous pop artists?

Just a few of the very greatest:

Jan van Eyck,

Leonardo da vinci,

Michelangelo Buonarroti,

Albrecht Durer,

Pieter Bruegel,

Caravaggio,

Diego Velazquez,

Antoine Watteau,

Claude Monet,

Henri Matisse,

Pablo Picasso.

This is not a ranking list, the names are roughly in chronological order.