Roy Lichtenstein’s ‘Mark That Was Art’
“Roy Lichtenstein: The Black-and-White Drawings, 1961-1968” opens and closes, quite fittingly, with doors. “Knock Knock,” a 1961 drawing, greets visitors entering the single-room exhibition. The title words splay from an all-white door, its shape defined by heavy, even black lines. Short marks indicate the thwap of invisible knuckles. Later, after circling the perimeter, you step…
