Written by DCist Contributor Alexa Steinberg. As a young artist, Paul Cézanne painted not with a brush, but with a large palette knife, a technique he felt to be couillarde— roughly translated as ballsy. It was this sort of attitude that found him at home with contemporaries like Edouard Manet, Camille Pissarro, and Johan Jongkind, all of whom showed their work in the Salon des Refusés, the avant-garde response to the by then stuffy, conservative…