O. Henry (1862-1910) was the well-known pseudonym of William Sydney Porter, whose name has become synonymous with twist-ending short stories. His tale "The Gift of the Magi" is one of the best-known Christmas stories of all time.
Charles Dickens, Clement C. Moore, Hans Christian Andersen, Carolyn Sherwin Bailey, Frances Jenkins Olcott, Helen G Ricks, Ernst Theodor Amadeus Hoffman, Leslie Pinckney Hill, O Henry