the language, the language cannot express that it is undefined. Saul Kripke Center The Saul Kripke Center at the Graduate Center of the City University of New York is dedicated to preserving and promoting Kripke's work. Its director is Romina Padro. The Saul Kripke Center holds events related to Kripke's work and is creating a digital archive of previously unpublished recordings of Kripke's lectures, lecture notes, and correspondence dating back to the 1950s. In his favorable review of Kripke's Philosophical Troubles, the Stanford philosopher Mark Crimmins wrote, "That four of the most admired and discussed essays in 1970s philosophy are here is enough to make this first volume of Saul Kripke's collected articles a must-have... The reader's delight will grow as hints are dropped that there is a great deal more to come in this series being prepared by Kripke and an ace team of philosopher-editors at the Saul Kripke Center at The Graduate Center of the City University of New York." Works Naming and Necessity. Cambridge, Mass.: Harvard University Press, 1972. Wittgenstein on Rules and Private Language: an Elementary Exposition. Cambridge, Mass.: Harvard University Press, 1982. . Philosophical Troubles. Collected Papers Vol. 1. New York: Oxford University Press, 2011. Reference and Existence – The John Locke Lectures. New York: Oxford University Press, 2013. Awards and recognitions Fulbright Scholar (1962–1963) Society of Fellows, Harvard University (1963–1966). Doctor of Humane Letters, honorary degree, University of Nebraska, 1977. Fellow, American Academy of Arts and Sciences (1978–). Corresponding Fellow, British Academy (1985–). Howard Behrman Award, Princeton University, 1988. Fellow, Academia Scientiarum et Artium Europaea (1993–). Doctor of Humane Letters, honorary degree, Johns Hopkins University, 1997. Doctor of Humane Letters, honorary degree, University of Haifa, Israel, 1998. Fellow, Norwegian Academy of Sciences (2000–). Schock Prize in Logic and Philosophy, Swedish Academy of Sciences, 2001. Doctor of Humane Letters, honorary degree, University of Pennsylvania, 2005. Fellow, American Philosophical Society (2005–). See also American philosophy List of American philosophers Barry Kripke (a character on The Big Bang Theory who is believed to be named after Saul) References Further reading Arif Ahmed (2007), Saul Kripke. New York, NY; London: Continuum. . Alan Berger (editor) (2011) Saul Kripke. . Jonathan Berg (2014) Naming, Necessity and More: Explorations in the Philosophical Work of Saul Kripke. Taylor Branch (August 14, 1977), "New Frontiers in American Philosophy". The New York Times Magazine. John Burgess (2013), Saul Kripke: Puzzles and Mysteries. .