Art: Les Girls

"Art is a man's world, and people have a prejudice against women artists. And rightly so, because most women artists are lousy. As a rule they paint little, squidgy, fancy things, all prettied up like valentines, and I don't blame the public for not liking them." The speaker, whose signature is simply "Marx," is as masculine as a powderpuff. Marcia Marx Bennett, 26, is a wife, mother—and a good painter. Last week the pretty blonde from Newark had a smash hit show at Mexico City's Institute Nacional de Bellas Artes, the first American...