The name of this piece is Andy Warhol!
It is done by a guy named Charles Long. I found him at



http://www.tanyabonakdargallery.com/

The piece on the left is also by this dude and it paper!
Olafur Eliasson and Martin Boyce are also at this gallery's site. Check it out. The orange and blue piece is also by this dude and its paper! Lurve it