Grandma Moses (1860-1961) is one of the most important self-taught artists of the 20th century, achieving a celebrity that transcended the normal boundaries of the folk-art movement. In the post-WWII years, Moses (born Anna Mary Robertson) was one of the most successful and famous artists in America. Clement Clarke Moore was an academic, author, and poet who lived and worked in New York City. He is best known for writing this Christmas poem, first published anonymously, in 1823. He died in 1863.