early life and training Mori Tetsuzan (森徹山), born Yoshino (吉野) in 1775, was a pivotal figure in late Edo-period Japanese painting. His artistic journey commenced under the tutelage of Mori Tetsuzan Senior (森徹山), another esteemed painter hailing from Osaka, establishing a lineage rooted in artistic excellence. This formative influence instilled within him the foundational principles of Maruyama Shijō style—characterized by vibrant hues…