Wednesday, April 13, 2PM String/Gravity seminar has been cancelled (It was to be given by Koenraad Schalm from Columbia) -- Ms. Joyce Berggren email : berg lns mit edu Massachusetts Institute of Technology jib mit edu Center for Theoretical Physics Bldg. 6-304A 77 Massachusetts Avenue phone : -617-253-4827 Cambridge, MA 02139 USA fax : -617-253-8674