in Tamil. Appayya Dikshitar (1520-1593),Saivite saint and religious scholar who re-established Advaita philosophy's predominance in the South. He was especially patronised by the rulers of Vellore and Madurai , Chinnabomma Nayak and Tirumalai Nayak , respectively. Bharati Krishna Theerthaji (1884-1960), the Shankaracharya of Puri . He also popularized Vedic mathematics .