Early Life and Training Mori Tetsuzan (森徹山), born Yoshino in Japan around 1775, emerged from a family steeped in artistic tradition. His lineage traced back to Mori Sosen (森宗山), a celebrated landscape painter who established the Maruyama School—a pivotal force shaping Japanese art during the late Edo period. From a young age, Tetsuzan received intensive training under the tutelage of Mori Tetsuzan II (森徹山二), furthering his mastery of M…