Clement Clarke Moore (July 15, 1779 - July 10, 1863) was an American Professor of Oriental and Greek Literature,He is the author of the yuletide poem "A Visit from St. Nicholas", which later became famous as "'Twas the Night Before Christmas".
On Christmas Eve night, while his wife and children sleep, a man awakens to noises outside his house. Looking out the window, he sees St. Nicholas in an air-borne sleigh pulled by eight reindeer. After landing his sleigh on the roof, the saint enters the house through the chimney, carrying a sack of toys with him. The man watches Nicholas filling the children's Christmas stockings hanging by the fire, and laughs to himself. They share a conspiratorial moment before the saint bounds up the chimney again. As he flies away, Saint Nicholas wishes everyone a "Happy Christmas to all, and to all a good night