Harry Turtledove is an American author known for his works in the genre of alternate history. Born on June 14, 1949, he has written numerous novels and short stories that explore what might have happened if key historical events had unfolded differently. His most famous series includes the Southern Victory series, which imagines a world where the American Civil War ended differently. Turtledove's writing often incorporates elements of science fiction and fantasy, blending them with historical facts. He has also written under the pseudonym H. N. Turteltaub for his historical fiction works. His storytelling is characterized by detailed world-building and complex characters.