Popular science writer with over 50 books in print - specialises in physics, cosmology and maths (with a touch of fiction).

Brian read Natural Sciences at Cambridge University and has a Masters in Operational Research at Lancaster University. He worked at British Airways before up his own company, Brian now concentrates on writing popular science books including A Brief History of Infinity, Cracking Quantum Physics and What Do You Think You Are. He also writes for magazines and newspapers, has written 7 novels and had a number of short stories published.