"During a visit to his studio, where the front door bears the motto “Art Is Work,” Mr. Glaser smiled when asked why he kept working. Upstairs, he and Clay Felker started New York magazine in 1968; on another floor, he once had 30-odd workers designing displays for Grand Union supermarkets. You really want an answer? he said. It’s the greatest source of pleasure in my life. I am so thrilled by making something that didn’t exist before. There’s nothing, nothing even close. I never go to the theater, I never go to concerts, I no longer go to movies. I don’t do anything except work. It’s like magic. I also think there’s an opportunity to do good. Not in a moralistic sense, but to feel that you’re a part of something larger than yourself. But that’s not really why I do it. I do it because it is so pleasurable for me. I derive this deep, deep satisfaction that nothing else, including sex, has ever given me. It’s the reason I’m here, is to do the work. And I’m so happy that I can still do it well."