CS
Charles Sheffield
AuthorBio
Charles Sheffield is a mathematician and theoretical physicist by training. His doctoral work was on Einstein's Special Theory of Relativity. Currently Dr. Sheffield works as chief scientist for the Earth Satellite Corporation, a Washington, D.C.–based firm that specializes in the analysis of data gathered from space.
The author of dozens of previous science fiction novels, including Cold as Ice and The Ganymede Club from Tor, Sheffield lives in Silver Spring, Maryland, with his wife, author Nancy Kress.