Brian Dettmer is an American artist, mostly known for his works involving alterations of existing media: books, maps, records, audio casettes...
Among his most fascinating pieces are his book carvings, turning ordinary books into sculptures and revealing their content as a three-dimensional work of art.
This one is entitled Science in the Twentieth Century.
Check out more of Dettmer's works on Flickr.
Found through Centripetal Notion.