Final answer:
Clement Clarke Moore, born in 1779, is the American author and educator traditionally credited with writing "A Visit from St. Nicholas" or "'Twas the Night Before Christmas," which is a beloved holiday classic.
Step-by-step explanation:
The American author born in 1779 and educated at Columbia College is Clement Clarke Moore. He later became a professor of Oriental and Greek languages at the Episcopal General Theological Seminary in New York City. Moore is traditionally credited with writing the poem "A Visit from St. Nicholas," better known as "'Twas the Night Before Christmas." This poem has become a cherished piece of holiday literature in the United States and around the world.