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 . Campantar (c. 7th century AD), One of the 63 Nayanmars . One of the authors of Tirumurai .