Madras Rajagopala Radhakrishnan Naidu (14 April 1907 – 17 September 1979), popularly known by his stage name, M. R. Radha, was an Indian film actor and politician. He was given the title of "Nadigavel" by E.V.R. Periyar in a stage, for his acting prowess. After a successful career on stage in his early years, he acted in films from the 1930s to the 1970s, and then, giving up films, he went back to his first love, the stage