sentences:  Solomon R. Guggenheim, a member of a wealthy mining family, had been collecting works of the old masters since the 1890s.In 1926, he met artist Hilla von Rebay, who introduced him to European avant-garde art, in particular abstract art that she felt had a spiritual and utopian aspect (non-objective art).Guggenheim completely changed his collecting strategy, turning to the work of Wassily Kandinsky, among others.