About Yamamoto Tsunetomo
Yamamoto Tsunetomo, whose Buddhist monastic name was Yamamoto Jōchō, served as a samurai for the Saga Domain in Hizen Province under his lord Nabeshima Mitsushige. Later he became a Zen Buddhist priest. He shared his experiences, memories, lessons, ideas, and short sayings with the samurai Tashiro Tsuramoto, who gathered them into a book called Hagakure.