Chuck Close!!!!!!

American realist, using a grid of colors and shapes to make a photo

See more of his work here@ http://www.moma.org/collection/browse_results.php?criteria=O%3AAD%3AE%3A1156&page_number=2&template_id=6&sort_order=1

And more here@ http://www.chuckclose.coe.uh.edu/life/index.html