Dr Hannah Fry is an Associate Professor in the Mathematics of Cities at the Centre for Advanced Spatial Analysis at UCL where she studies patterns in human behaviour. Her research applies to a wide range of social problems and questions, from shopping and transport to urban crime, riots and terrorism. Her critically acclaimed BBC documentaries include Horizon: Diagnosis on Demand? The Computer Will See You Now, Britain’s Greatest Invention, City in the Sky (BBC Two), Magic Numbers: Hannah Fry’s Mysterious World of Maths, The Joy of Winning, The Joy of Data, Contagion! The BBC Four Pandemic and Calculating Ada (BBC Four). She also co-presents The Curious Cases of Rutherford and Fry (BBC Radio 4) and The Maths of Life with Lauren Laverne (BBC Radio 6). Hannah is the author of Hello World. How to be human in the age of the machine.