Zorn, one of my favs

Zorn painting with 2-source lighting

I'm not sure if I posted this link before, but you can see the complete list of known paintings by Zorn on this link:  Zorn, 144 paintings

Today in Gurney 's blog, he talked about Zorn's 2-source lighting.  Link to Gurney's blog here:  Zorn's 2-source lighting