RHENIUS, Karl Theophilus Ewald (Charles Theophilus E. Rh.). Graudenz, West Prussia 5.11.1790 — Tirunelvēli/Palayamkottai 5.6.1838. German Missionary and Tamil Scholar in South India. Son of Otto Rh., a Prussian army officer, educated in Marienwerder. Working in an office he became interested in religion and entered Missionary Seminary in Berlin in 1810. Ordained Lutheran priest in 1812 and after 18 months of further study in England embarked in 1814 for Madras. He worked first in Madras, from 1820 in Palamcotta and later in Tinnevelly (Tirunelvēli). Because of his polemic writings he had to quit his missionary society and found his own mission in Arcot, but soon he was invited back to Tinnevelly, where he worked until his death.
Publications: translated parts of the Bible in Tamil; wrote a Tamil Grammar 1836; and a Tamil–English Dictionary.
Sources: Brückner et al., Indienforschung im Zeitenwandel. 2003, 43, nt. 71; Buckland, Dictionary, Addenda 469.