Martin Rees is Royal Society Research Professor at Cambridge University, Astronomer Royal of Great Britain, and author, most recently, of the bestselling "Just Six Numbers: The Deep Forces That Shape the Universe".
Giles Sparrow is a writer specializing in astronomy and space science.He has degrees in astronomy and science communication, and has worked for 15 years as an editor and author, writing on subjects ranging from particle physics to geography.An avid follower of the unfolding story of space exploration, he has written on space technology and the history of spaceflight in a wide range of books, including DK Publishing's bestselling Universe.
Pam Spence trained as an astronomer, and observed the Sun both as an amateur and professional. She was assistant to the solar section director of the British Astronomical Association. At University College London, she worked on solar data gathered from the Yohkoh satellite.