Dr. Hannah Fry

Associate Professor in the Mathematics of Cities - UCL


Dr Hannah Fry is an Associate Professor in the Mathematics of Cities at the Centre for Advanced Spatial Analysis at UCL. She works alongside a unique mix of physicists, mathematicians, computer scientists, architects and geographers to study the patterns in human behaviour - particularly in an urban setting. Her research applies to a wide range of social problems and questions, from shopping and transport to urban crime, riots and terrorism.

Alongside her academic position, Hannah is an experienced public speaker giving conference keynotes and taking the joy of maths into theatres and schools. Hannah’s mathematical expertise has led to the development of several BBC documentaries including City in the Sky (BBC2), Britain's Greatest Inventions (BBC2), Climate Change By Numbers (BBC4), Calculating Ada: The Countess of Computing (BBC4), Horizon: How to Find Love Online (BBC2) and The Joy of Data (BBC4). Hannah regularly appears on radio in the UK including on her long running BBC Radio 4 show The Curious Cases of Rutherford and Fry. You can find the podcasts of that show here. Online, her YouTube videos have clocked up millions of views, including her popular TED talk, The Mathematics of Love.

Hannah has also published two popular maths book: The Mathematics of Love: Patterns, Proofs, and the Search for the Ultimate Equation (Simon & Schuster/ Ted) and The Indisputable Existence of Santa Claus (Penguin Random House/Transworld). She has recently completed her third title Hello World (Penguin Random House/Transworld), released worldwide in September 2018.