Istana - Office of the President of Singapore - Includes information about the President S R Nathan, former presidents, the Istana grounds, ceremonies and protocols and news about the office of the president. President of Singapore - The office of the President of Singapore and his predecessors. Sellapan Ramanathan - Wikipedia - Biography of Mr S. R. Nathan, the current President of the Republic of Singapore. Ong Teng Cheong - Wikipedia - Biography of Mr Ong Teng Cheong, ex-president of the Republic Singapore. Wee Kim Wee - Wikipedia - Biography of Mr Wee Kim Wee, ex-president of the Republic of Singapore. Benjamin Henry Sheares - Wikipedia - Biography of Mr Benjamin Henry Sheares, ex-president of the Republic of Singapore. Yusof bin Ishak - Wikipedia - Biography of Mr Yusof bin Ishak, first president of the Republic of Singapore. Devan Nair - Wikipedia - Biography of Mr Devan Nair, ex-president of the Republic of Singapore. President of Singapore - Wikipedia - Describes the Office of the President of Singapore. Covers its history and has a list of portraits of past presidents.