Okay basically i need to write an essay on both a historical artist and a contemporary graphic designer/illustrator. i've got the former covered but need someone to write on for the latter.

i figured since this is an art-and-design-related community you guys probably know a whole bunch of cool artists i could use.

criteria:
-preferably use both graphic design and illustration in their work
-well-known and active enough that there's plenty of information, articles, examples of their work and stuff on the internet

the more suggestions the better, thanks alot for any help you can give!