Author: Sarvepalli Radhakrishnan; Charles Alexander Moore; Kapila; Nandalal Sinha; Kautilya; R. Shamasastry; Manu; Georg Bühler; Patañjali; Rama Prasada; Nāgārjuna; Hermann Oldenberg; Susumu Yamaguchi; Ganganatha Jha; Ramanuja; George Thibaut; Pratap Chandra Ray; Edward J. Thomas