Joe Polchinski on the String DebatesArchived 2014-07-10 at the Wayback Machine: "In string theory it has always been clear that the physics is background-independent even if the language being used is not, and the search for a more suitable language continues."
stanford.edu
plato.stanford.edu
Norton, John D., "The Hole Argument", The Stanford Encyclopedia of Philosophy, Edward N. Zalta (ed.).
web.archive.org
Joe Polchinski on the String DebatesArchived 2014-07-10 at the Wayback Machine: "In string theory it has always been clear that the physics is background-independent even if the language being used is not, and the search for a more suitable language continues."