Monday, September 16
4:00 pm - 5:00 pm	Condensed Matter Physics Seminar East Bridge 114 Topological Order on the Surface of Three Dimensional Topological Insulators Xie Chen, Postdoctoral Fellow, UC Berkeley,
4:15 pm - 5:00 pm	Astronomy Tea Talk Cahill, Hameetman Auditorium "Insights into Cosmic Reionization from the Evolution of the UV Background" George Becker, IoA, Cambridge,

Tuesday, September 17
4:00 pm - 5:00 pm	Carnegie Observatories Colloquium Carnegie Observatories, 813 Santa Barbara St., William T. Golden Auditorium Star Formation, Black Holes, and Feedback in Galaxy Formation Prof. Phil Hopkins, Caltech,