Prafulla Kumar Sen, also known as Swami Satyananda Puri, was an Indian revolutionary and philosopher. Puri, had in his youth taught Oriental philosophy at the University of Calcutta and later at Rabindranath Tagore's Visva-Bharati University at Shantiniketan. Encouraged by Tagore, he arrived in Thailand in 1932, and in 1939, he founded the Thai-Bharat Cultural Lodge, a cultural forum. Arriving in Thailand, Puri was appointed a professor at the Chulalongkorn University, lecturing in ancient Indian and Thai languages, and is said to have mastered the Thai language in six months and went on to translate a number of Indian philosophical works and biographies, including the Ramayana and biographies of Gandhi to Thai. His literary work eventually was more than twenty volumes.