David Hall McKewan (1816/1817–1875): A Romantic Vision of Landscape David Hall McKewan (1816/1817–1875) emerged as a prominent watercolorist during the Victorian era, establishing himself as a key figure within the Cox School of Art and leaving an indelible mark on British landscape painting. Born in London, McKewan’s artistic journey began under the tutelage of David Cox, whose influence profoundly shaped his stylistic approach—chara…