EntityQ553617· pop 11· linked from 218 articlesLeo CastelliSign in to saveTrieste-born American art dealer (1907–1999)Connectionspop artEntityabstract expressionismEntityconceptual artEntityIleana SonnabendEntityWorld War IIConceptBudapestEntityBenito MussoliniPersonHenri MatisseEntityAndy WarholEntityInternational Standard Book NumberEntityAustria–HungaryEntityTriesteEntityThe New York TimesEntitysurrealismEntityJackson PollockEntityWassily KandinskyEntityTimeEntityColumbia UniversityEntityThe Wall Street JournalEntityDennis HopperEntityCategories1907 births1999 deaths20th-century American businesspeople20th-century Italian JewsAmerican art collectorsAmerican art dealersAustrian businesspeopleBusinesspeople from TriesteItalian art dealersItalian emigrants to the United StatesItalian people of Hungarian descentJewish art collectors