Pandurang Shastri Athavale

Pandurang Shastri Athavale (19 October 1920 – 25 October 2003), also known as Dada /Dadaji ("elder brother"), was an Indian activist, philosopher, spiritual leader, social revolutionary, and religion reformist, who founded the Swadhyaya Parivar (Swadhyaya family) in 1954. Swadhyaya is a self-study process based on the Bhagavad Gita which has spread across nearly 100,000 villages in India, Americas, Europe, the Middle East, Oceania and other Asian countries with five million adherents.

Source: Wikipedia — Pandurang Shastri Athavale (CC BY-SA 4.0)