"S. R. Nathan"@en . "1924-07-03Z"^^ . . . . . "President of Singapore" . . "President of Singapore" . . . . . "\u0B9A\u0BC6\u0BB2\u0BCD\u0BB2\u0BAA\u0BCD\u0BAA\u0BA9\u0BCD \u0BB0\u0BBE\u0BAE\u0BA8\u0BBE\u0BA4\u0BA9\u0BCD"@en . "1924Z"^^ . "Sellapan Ramanathan, DUT (First Class) (born Cellappa\u1E49 R\u0101man\u0101ta\u1E49, 3 July 1924) is a Singaporean politician who was the sixth President of the Republic of Singapore. Usually referred to as S. R. Nathan, he was first sworn in on 1 September 1999. In 1999 and 2005, he was elected President in uncontested elections. In 2009, he surpassed Benjamin Sheares to become Singapore's longest-serving President. His 12-year term ended on 31 August 2011."@en . . "Ramanathan, Sellappan"@en .