In the first decades of the 20th century, George Bellows and other painters of the Ashcan School, a loosely connected group of gritty, urban realists, created images of the city from street level. Following older artist Robert Henri's insistence that artists should make "pictures from life," the Ashcanners renounced the polished academic style taught in art schools of the time. Instead they practiced a more urgent manner working with bold, highly...