Ramanathan was born on 16 April 1851 at the home of his maternal grandfather A. Coomaraswamy on Sea Street, Colombo in south western Ceylon. He was the son of Gate Mudaliyar A. Ponnambalam, a leading government functionary, and Sellachi Ammai. He was the brother of P. Coomaraswamy and P. Arunachalam. Ramanathan had his early education at home before joining Royal Academy, Colombo in 1861. Ramanathan and his brother Coomaraswamy entered Presidency College, Madras in 1865. The brothers completed the Intermediate in Arts and started the degree course but, following "youthful excesses" by Coomaraswamy, both were recalled to Ceylon without completing the course. Ramanathan married Sellachchi Ammal, daughter of Mudaliyar E. Nannithamby, in 1874 at Ward Place, Colombo. They had three sons and three daughters. After being widowed Ramanathan married Australian R. L. Harrison. They had a daughter, Sivagamisundhari.
Career
Returning to Ceylon, with the help of his maternal uncle Muthu Coomaraswamy Ramanathan became a law apprentice under Richard Morgan, Queen's Advocate of Ceylon. Ramanathan became an advocate of the Colombo bar in 1874. He was responsible for editing law reports for the previous 36 years and later served as editor of the official law reports for ten years. Ramanathan stopped practising law in 1886 to concentrate on politics and his interest religious studies and philosophy. Ramanathan was appointed to the Legislative Council of Ceylon in 1879 as the unofficial member representing Tamils, replacing his maternal uncle Muthu Coomaraswamy. In 1880 he founded the Ceylon National Association, of which he was president, to campaign for constitutional reform Whilst on a tour of Europe Ramanathan, his wife and daughter were presented to Queen Victoria and was called to the bar at the Inner Temple in 1886. He was appointed Solicitor-General of Ceylon in 1892. In 1903 he became one of the first Ceylonese to be appointed King's Counsel. In 1905, prior to his retirement in 1906, he went on a tour of the USA where he gave lectures on Hinduism and Hindu philosophy. Ramanathan founded the National Reform Association in 1907. He contested the 1911 legislative council election as a candidate for the Educated Ceylonese seat and was elected to the Legislative Council, defeating physician Marcus Fernando. Ramanathan was responsible for the release of the Sinhalese leaders who had been arrested following the 1915 Ceylonese riots, travelling to the UK to make their case. He was re-elected at the 1916 legislative council election, defeating Justus Sextus Wijesinghe Jayewardene. Ramanathan was appointed as an unofficial member of the Legislative Council in 1921. He contested the 1924 legislative council election as a candidate for the Northern Province North seat and was re-elected to the Legislative Council. Ramanathan was made a Companion of the Order of St Michael and St George in the 1889 Birthday Honours. He was made a Knight Bachelor in 1921. Ramanathan founded two schools in northern Ceylon – Parameshwara College, Jaffna and Ramanathan College. In 1907 Ramanathan rebuilt the Sri Ponnambala Vaneswara Temple at Sea Street in Kochchikade, founded by his father. He helped establish the Hindu Education Board in 1923 and served as its president and manager of schools. He was also president of the Thiruvalluvar Maha Sabai in Madras. Ramanathan and other leading figures founded The Ceylonese, an English-language newspaper, in 1913. He was president of the Tamil Union Cricket and Athletic Club from 1917 to 1930. Ramanathan opposed extending voting rights to the people and urged reservation of franchise only to men of the Vellalar caste. Ramanathan died on 26 November 1930 at his home Sukhastan on Ward Place, Colombo. Future Prime Minister D. S. Senanayake described Ramanathan as "the greatest Ceylonese of all times".
