Soon after Stieglitz began to direct his attention more to modern painting and sculpture, and Clarence H. White and others took over the leadership of a new generation of photographers. As the harsh realities of World War I affected people around the world, the public's taste for the art of the past began to change. Developed countries of the world focused more and more on industry and growth, and art reflected this change by featuring hard-edged images of new buildings, airplanes and industrial landscapes.