Rhodri Evans (Author)
Dr Rhodri Evans studied Physics at Imperial College London, graduating with First Class honours, before gaining his PhD in Astrophysics from Cardiff University. He has taught at the University of Toledo in the United States, at Swarthmore College and done post-doctoral research at the University of Chicago's Yerkes Observatory, 'the birthplace of modern astrophysics'. He is currently a senior lecturer in the Department of Physics at the University of Namibia. Rhodri is the author of numerous academic papers as well as popular-science articles, he speaks regularly at conferences and is a regular contributor to the BBC on Physics and Astronomy. His popular blog can be found at thecuriousastronomer.wordpress.com.
Brian Clegg (Author)
BRIAN CLEGG is a prize-winning science writer with a physics degree from Cambridge and a masters in the mathematical discipline operational research. He has written over 20 science books and articles for newspapers and magazines from The Observer and Wall Street Journal to BBC Focus and Playboy. He lives in Wiltshire, England, with his wife and two children.