The Butterfly Effect

This is a guy i looked into last year, and his work is fantastic, he's called Mark Grotjahn, and his pieces are all pencil drawn straight lines. There's so much detail its unbelievable, bearing in mind these are usually about 5 - 6 ft tall and 3-4 ft wide.
Check out http://www.gagosian.com/exhibitions/madison-avenue-2008-02-mark-grotjahn/#/videos/1/ for his latest exhibition video and pics.