CHANGE IN VENUE TO ACCOMMODATE LARGER AUDIENCE. NOW IN THE LAW FOYER. Dear All, The school is co-presenting with Sydney Ideas a public lecture by our visitor Professor Nassif Ghoussoub titled "Mathematical Heroes and Social Justice"(https://www.eventbrite.com.au/e/sydney-ideas-mathematical-heroes-and-social-justice-tickets-38031285599). It is part of our contribution to the university’s/faculty’s outreach efforts and as such we all stand to benefit from the success of this event. It will take place on Oct 31st from 6pm-7pm in New Law LT 026. You and your friends/family are all warmly invited to join us that evening. Please also kindly spread this information to your network of contacts (students/colleagues/friends). Sydney Ideas is using social media to market its events. Here is the facebook event page (https://www.facebook.com/events/136081770348478). The twitter feed is (https://twitter.com/Sydney_Science/status/916179481307385856) and we use the hashtage #math_heroes.