Baba Sawan Singh Ji, also known as the "Great Master," was a prominent spiritual leader and the fourth Guru of the Radha Soami Satsang Beas movement. Born on August 15, 1858, in Punjab, India, he dedicated his life to spiritual teachings and meditation practices. He emphasized the importance of inner experience and self-realization, guiding many seekers on their spiritual journeys. He succeeded Baba Jaimal Singh Ji in 1903 and served as a mentor to thousands until his passing in 1948. Baba Sawan Singh Ji's teachings focused on love, devotion, and the practice of Surat Shabd Yoga, a meditation technique aimed at connecting with the divine.