1864-1930 1886-1933 1895-1963 adolf art artandmentalillness artbrut artcollectionsprinzhorn artisticcollaboration arts biography catalogs europe exhibitions geniusandmentalillness groupworkinart hans martin mentaldisorders outsiderart prinzhorn-sammlungderpsychiatrischenuniversitätsklinikheidelberg ramirez switzerland therapeuticuse unitedstates wölfli