Hannah Fry is a multi award-winning British mathematician, author, and radio and television presenter from Harlow. She is Professor in the Mathematics of Cities at the UCL Centre for Advanced Spatial Analysis.

She has presented the TV shows "Magic Numbers: Hannah Fry's Mysterious World of Maths", the 2019 Royal Institution Christmas Lectures, "The Secret Genius Of Modern Life", a BBC biography about Ada Lovelace, and more.

Publications include: "The Mathematics of Love: Patterns, Proofs, and the Search for the Ultimate Equation" (2015), "The Indisputable Existence of Santa Claus" (also 2015), "Hello World: How to be Human in the Age of the Machine" (2018), "Rutherford & Fry's Complete Guide to Absolutely Everything (Abridged)" (2021, with Adam Rutherford), and "The Power of Doubt in an Overconfident World" (2027).