HARRY TURTLEDOVE was born in Los Angeles in 1949. After flunking out of CalTech, he earned a Ph.D. in Byzantine history from UCLA. He has taught ancient and medieval history at UCLA, Cal State Fullerton, and Cal State L.A., and he has published a translation of a ninth-century Byzantine chronicle, as well as several scholarly articles. His alternate history works have included many short stories, the Civil War Classic The Guns of the South, the epic World War I series The Great War, and the Worldwar tetralogy that began with Worldwar: In the Balance. He is a winner of the Sidewise Award for Best Alternate History for his novels How Few Remain and Ruled Britannia , and of the Hugo for his novella “Down in the Bottomlands.”