Marcus du Sautoy, Adam Rutherford and Sophia Smith Galer talk to Robert Nisbet

Three brilliant speakers, all with something completely different to say. Enjoy the range and variety of Hay Festival packaged into one entertaining session. This evening mathematician Marcus du Sautoy will debate how maths shapes our creativity, geneticist Adam Rutherford will prove that everyone in the audience is of royal descent, and author Sophia Smith Galer talks about how to kill a language. Chaired by former BBC and Sky News correspondent Robert Nisbet.