sentences:  He suffered a complete mental collapse on his final tour, which included Beauvais, Sallanches and Venice, in 1888.The emergence and dominance of the Aesthetic movement and Impressionism distanced Ruskin from the modern art world, his ideas on the social utility of art contrasting with the doctrine of "l'art pour l'art" or "art for art's sake" that was beginning to dominate.His later writings were increasingly seen as irrelevant, especially as he seemed to be more interested in book illustrators such as Kate Greenaway than in modern art.