Dear All, We are delighted to present the MaPSS Seminar topic of Monday 21st March; please see the abstract below. **From this Semester the Seminar will always run on Monday, at 5:00pm in 535A** Following the talk, there will be pizza on offer. Speaker: Robert Haraway (Sydney University) Title: Chern’s proof of Gauss-Bonnet Abstract: We state the generalized version of Chern’s proof of the generalized Gauss-Bonnet formula, and provide the context into which this proof fits. Supervisors, please encourage your students to attend. Thanks, MaPSS Organizers