Ananda Murti, born Prabhat Ranjan Sarkar, was an Indian philosopher, spiritual guru, and social reformer who founded the Ananda Marga (Path of Bliss) movement in 1955. He is known for his extensive writings and discourses on Tantra and spiritual philosophy, which encompass a universal spiritual outlook and a comprehensive social theory. His works, such as Discourses on Tantra and the multi-part Ananda Vacanamrtam, explore spiritual practices, consciousness, and the synthesis of various yogic paths.