John Mulholland, Editor of The Observer Newspaper kicks off the proceedings at The Observer TEDx event at Kings Place in London Photograph: Sam FiredrichDr Izzeldin Abuelaish speaks about his experiences as a doctor in GazaPhotograph: Sam FriedrichTechnology writer Russell Davies talks pretending, robots and Jason BournePhotograph: Sam Friedrich
MJ Delaney speaks to the audience about viral videosPhotograph: Sam FriedrichMark Solms discusses land ownership in South Africa: turning neuropsychoanalysis into winePhotograph: Sam FriedrichGeoff Mulgan, the founder of The Young Foundation decides its time to find a new way to measure happinessPhotograph: Sam FriedrichAlice Russell performs on stage at The Observer TEDx eventPhotograph: Sam FriedrichFormer model Katie Piper gave a moving talk at the eventPhotograph: Sam FriedrichBritish athlete Denise Lewis introduces 7/7 survivor, Martine Wright Photograph: Sam FriedrichMartine Wright discusses surviving 7/7 and her aims for the ParalympicsPhotograph: Sam FriedrichChef René Redzepi gives away secrets from the world's best restaurantPhotograph: Sam FriedrichMariella Frostrup, The Observer's agony aunt talks about the lessons she has learnt about love and lifePhotograph: Sam FriedrichPhilanthropist Petra Nemcova, talks about surviving the 2004 Tsunami and protecting children from natural disasters Photograph: Sam FriedrichBaaba Maal performs on stagePhotograph: Sam FriedrichRapper turned conductor Goldie discusses how art and music saved his life as well as giving a performance alongside Ivor SetterfieldPhotograph: Sam FriedrichJason Drew debates the answers to the world's fish crisisPhotograph: Sam FriedrichFrench Mathematician Cédric Villani searches for the answers - and the romance of mathsPhotograph: Sam FriedrichJude Law introduces Natalia Kaliada at Observer TEDx in King's Place in LondonPhotograph: Sam FriedrichNatalia Kaliada tells how theatre is her weapon against oppressionPhotograph: Sam FriedrichStudents from Elizabeth Garrett Anderson School perform at the Observer TEDx event at Kings Place in LondonPhotograph: Sam FriedrichCanadian blogger Corey Doctorow talks about on-line privacy Photograph: Sam FriedmanVivienne Westwood talks climate controlPhotograph: Sam FriedrichSarah Brown discusses The Global Maternal Mortality Campaign and the fighting to save the world's mothersPhotograph: Sam Friedrich
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