Heroic Landscape with Rainbow, 1824, Oil on canvas, 42 3/4 x 37 3/4 in. (108. 6 x 95. 9 cm), Paintings, Joseph Anton Koch (Austrian, Obergibeln bei Elbigenalp 1768?1839 Rome), The classically-trained painter Joseph Anton Koch was a father-figure to many German-speaking artists who visited Rome in the early nineteenth century. He renewed the genre of heroic landscape painting, which had been established by the seventeenth-century French masters Claude Lorrain and Nicolas Poussin