Jadunath Sinha had passed B.A., Honours in Philosophy in 1915 from the Calcutta University and simultaneously bagging the Philip Samuel Smith Prize and the Clint Memorial Prize. Subsequently, he passed the M.A. on Philosophy from the Calcutta University in 1917. He did his PhD from the Calcutta University in 1934. He went on to become a versatile writer of Philosophy, Psychology etc. which were published by famous publishers. Two of his books were published by M/s. Kegan Paul of London. Dr. Sinha being the most original philosopher of Hinduism and Indian philosophy, psychology, etc. is still revered by the students of philosophy. He went into religion in the latter part of his life. Sinha has been cited as one of the early contributors to the field of Indian psychology that began to emerge more strongly in the 21st century.