Arutprakasa Vallalār Chidambaram Ramalingam (5 October 1823 – 30 January 1874 [Attained Immortality]), whose pre-monastic name was Rāmalingam, is commonly known in India and across the world as Vallalār. He was one of the most famous Tamil Saints and also one of the greatest Tamil poets of the 19th century and belongs to a line of Tamil saints known as “gnana siddhars” (gnana means higher wisdom).