Note 3 — Chapter CLXXIII · Brahma Gita Or a Lecture on Spirituality.
Viharilala Mitra translation
The founder of Vedánta was Vyása, of Buddhism—Buddha, of Sánkhya—Kapila, of Saugata—Patanjali. Tryaksha, Pashupati and Bhairana were professors of Ágama tantras.