Clement Clarke Moore estate in what became known as the residential neighborhood of Chelsea. Before this, the urbanized part of the city ended at Houston Street on Manhattan island. For 10 years, Moore also served as a board member of the New York Institution for the Blind. He is credited and is most widely known as the author of the Christmas poem "A Visit from St. Nicholas", first published anonymously in 1823. It later became widely known as "'Twas the Night Before Christmas" and has been published in numerous illustrated versions in various languages. Scholars debate the identity of the author, calling on
Saint Nicholas earliest mentions of Saint Nicholas indicate that, by the sixth century, his cult was already well-established. Less than two hundred years after Saint Nicholas's probable death, the Eastern Emperor Theodosius II (ruled 401 – 450) ordered the building of the Church of Saint Nicholas in Myra, which thereby preserves an early mention of his name. The Byzantine historian Procopius also mentions that the Emperor Justinian I (ruled 527 – 565) renovated churches in Constantinople dedicated to Saint Nicholas and Saint Priscus, which may have originally been built as early as 490. Nicholas's name also occurs as "Nicholas of Myra of