This past April, I spent a week in Detroit. I grew up about 20 minutes outside the city, though I've been in New York for the last decade. My parents lived in the Detroit area for more than 60 years…
One recent afternoon in Donald Judd's old house in downtown Manhattan, the late artist's children—Flavin and Rainer—were discussing their father's career. Flavin has a boyish, unlined face framed by…