Sellapan Ramanathan DUT PJG[1][2] ( /ˈsɛləpən rɑːməˈnɑːðən/; 3 July 1924 – 22 August 2016),[3] often known as S. R. Nathan, was a Singaporean politician and civil servant who served as the sixth president of Singapore between 1999 and 2011. [4] He was the longest-serving president in Singapore's history and the only one to serve two full terms. In January 2010, Nathan surpassed his predecessor Benjamin Sheares to become Singapore's longest-serving President. In August of that same year, he surpassed Yusof Ishak as Singapore's longest-serving Head of State. Nathan was reportedly considering a re-election and decided not to run. Nathan suffered a stroke on 31 July 2016 and was taken to Singapore General Hospital before he died in the hospital on 22 August 2016, at the age of 92.