About the Author

GREGORY BENFORD is professor of physics at the University of California, Irvine, and lives in Irvine. Benford is a winner of the United Nations Medal for Literature, and the Nebula Award for his classic novel Timescape.

LARRY NIVEN is the author of the Ringworld series and many other science fiction masterpieces. His Beowulf's Children, coauthored with Jerry Pournelle and Steven Barnes, was a New York Times bestseller. He lives in Chatsworth, California.