Swami Hariharananda Aranya (1869–1947) was a saṃnyāsī, a practitioner of Sāṃkhyayoga (the combined teaching of Sāṃkhya and Pātañjala Yoga), and the founder of the Kāpil Maṭh, a monastic institution in Madhupur, Jharkhand. Hariharananda Aranya’s title is Sāṃkhyayogācārya (“Teacher of Sāṃkhyayoga”), and he and his disciples considered themselves Sāṃkhyayogīs. He was a monk and scholar, and wrote a number of bo…