Conjeevaram Natarajan Annadurai (15 September 1909 – 3 February 1969), popularly called Anna ("Elder brother") or Arignar Anna ("Anna, the scholar"), was an Indian politician who served as 1st Chief Minister of Tamil Nadu for 20 days in 1969 and fifth, and last Chief Minister of Madras from 1967 until 1969 when the name of the state of Madras was changed to Tamil Nadu. He was the first member of a Dravidian party to hold either post.
