Dr Hannah Fry has reportedly signed up for The Celebrity Traitors . The mathematician, 42, is a maths professor but alongside her work in academia, she has carved out a major broadcast career, fronting Curious Cases on BBC Radio 4, The Secret Genius Of Modern Life for BBC Two and appearing on comedy quiz show Have I Got News For You. Now, it's thought that Hannah, who last year became the first ever Professor of the Public Understanding of Mathematics at the University of Cambridge, could be