Dr Christopher Riley is a broadcaster and film maker specialising in history and science documentaries. He has worked on many of the BBC's iconic science programmes from Tomorrow's World and Rough Science to Science in Action and the Sky at Night. In 2004 he won the Sir Arthur Clarke award for his work producing the BBC ONE blockbuster series Space Odyssey: voyage to the planets. His feature documentary film In the Shadow of the Moon, the story of the Apollo astronauts, premiered at the 2007 Sundance Film Festival, where it won the World Cinema Audience Award. His latest documentary film project - the restoration of NASA's original Apollo doc Moonwalk One is out now on DVD. Chris was a pioneer of web journalism, reporting for the BBC's first online news service in 1996 and producing and presenting the corporations first live webcast - covering Africa's total eclipse in 2001. He continues to work at the forefront of the communications revolution as the founder and managing director of a new media production company called the attic room and the online film archive footagevault. He is the author of more than thirty articles and books on astronomy and planetary science and regularly broadcasts lectures on these and other topics. His latest book, published by Haynes in 2009, is the Apollo 11 owner's workshop manual which made it into Amazon's top ten science books of the year. For a full biography visit: www.chris-riley.com/biography.htmlTelling my friendsTo participate in the great collaborative and creative revolution that is the World Wide Web