early life and training charles salis kaelin, an american post-impressionist painter, was born on december 19, 1858, in cincinnati, ohio. his early life was marked by a passion for art, which led him to study under john henry twachtman between 1876 and 1879. this foundational training laid the groundwork for his future artistic endeavors. career highlights kaelin's work is characterized by its emphasis on nature, with a focus on marine and forest scenes. he was one of the earliest american exponents of divisionism, a style that emphasizes the separation of elements within a composition. in 19…