About the Author

John C. Mather, Ph.D., is a Senior Astrophysicist in the Observational Cosmology labouratory at NASA's Goddard Space Flight centre. He won the Nobel Prize in 2006. He is a member of the Astrophysics Subcommittee of the NASA Advisory Committee and of the Standing Review Board for the Kepler project. He lives in Maryland. John Boslough received honours in the history of science from Princeton University and has written widely on science for National Geographic and other publications. His previous books include Stephen HawKing's Universe and Masters of Time, co-authored by Wendy W. Cortesi. He lives in Princeton, New Jersey.