Jōsei Toda was an educator, peace activist and second president of Sōka Gakkai from as well as mentor to President Daisaku Ikeda.
Nichiren Daishonin: Nichiren, originally a monk of Tendai Buddhism, studied in numerous temples in Japan, especially Mt. Hiei (Enryaku-ji) and Mt. Kōya, in his day the major centers of Buddhist study, in the Kyoto–Nara area. He eventually concluded that the highest teachings of Shakyamuni Buddha (563?–483?BC) were to be found in the Lotus Sutra. The mantra he expounded on 28 April 1253, known as the Daimoku or Odaimoku, Nam(u)-Myōhō-Renge-Kyō,