Even if I just discovered his name by accident, Yoshitaka Amano ranks among my favourite artists for a freaking long time. Besides designing a humongous amount of old-school anime that I haven't even heard of he's responsible for the iconic scening and character design of almost every major Final Fantasy release out there.
Hans Makart - The Death of Cleopatra, 1875
Christophe Charbonnel, 2012
I slept on this for far too long. And so did you.