About the Author
Mary and John Gribbin are award-winning science writers for both adults and children whose books include Eyewitness: Time & Space
. John Gribbin has a PhD in Astrophysics from the University of Cambridge and is a Research Fellow in Astronomy at the University of Sussex. The Gribbins live on the Sussex coast in England with two sons, one dog, one cat.
From the Hardcover edition.