It was spontaneous, home-grown, non-derivative, and non-academic. Three decades later, Herbert Waide Hemphill, Jr., and Julia Weissman in their book Twentieth Century American Folk Art and Artists, ...

It was the beginning of what climaxed in the "Degenerate Art" exhibition of 1937, the most important art event of the decade, for it was the largest single show of 20th-century avant-garde ...

From Pop art icons Andy Warhol and Roy Lichtenstein to master of Arte Povera Michelangelo Pistoletto, these 20th Century artists ... which he began in the late 1960s and continues to make today.

Tzara, who later claimed that he had coined the ... s readymades were soon turning up in the work of major 20th-century artists and art movements. From Stuart Davis’ abstractions to Andy Warhol ...