By Mark Thompson
The things they said, the epithets they used: "repellent, violent, insane, degraded, ugly, vulgar, repugnant, poseurs, charlatans, grotesque, indecent, unreasonable, deranged." And all this about what are now regarded as some of the most iconic paintings of the 20th century painted by Matisse, Picasso, Kandinsky, Duchamp, and numerous other European and American avant-garde artists. . . .
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