Picasso and Cézanne both got popular in the 190x's. As photography got better the art world stopped being impressed with accurate perspective. Cézanne was fam

Picasso and Cézanne both got popular in the 190x's. As photography got better the art world stopped being impressed with accurate perspective. Cézanne was famously bad at perspective, but kept painting anyways. Essentially they were both doing interesting things with color and shape at the moment that became trendy.