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 Maruyama Ōkyo’s distinctive style. This formative influence instilled in him an unwavering commitment to capturing the essence of nature with bold colors and dec…