Dr. Christopher Riley is a broadcaster and filmmaker specializing in history and science documentaries. In 2004, he won the Sir Arthur Clarke award for the BBC1 blockbuster series Space Odyssey: Voyage to the Planets. His film In the Shadow of the Moon: The Story of the Apollo Astronauts, won the World Cinema Audience Award in 2007.
Phil Dolling is an award-winning executive producer who has worked for the BBC on many television programs, including Tomorrow's World, Space, Human Instinct, James May's 20th Century, and Earth: The Power of the Planet. He was also in charge of the coverage of the Total Eclipse in 1999. Phil has also written books and articles on the science and technology of the 20th century.