Visitors Vishnu Jejjala (University of Witwatsrand) Tristan Hubsch (Howard University) Andy Royston (Texas A&M University) Stefano Massai (University of Chicago) Johanna Knapp (Technical Universitat, Vienna) Per Berglund (University of New Hampshire) Cyril Closset (CERN) Sara Maloni (University of Virginia) Onkar Parrikar (University of Pennsylvania)