(究理通, Kyūri Tsū). Takahashi Kageyasu (高橋 景保, 1785–1829) Matsuoka Joan (松岡 恕庵) Udagawa Yōan (宇田川 榕菴, 1798–1846), author of Botanica Sutra (菩多尼訶経, Botanika...