Timothy Rub is taking over as director of the Cleveland Art Museum. “In person, Rub is an imposing figure. Tall and trim, with blue eyes and a full head of sandy hair, he looks like a museum director from central casting. But he’s not stiff or formal. Moments after greeting a visitor recently at the Cincinnati museum, he scooped a clump of dust off the museum floor and swept it into the pocket of his well-cut navy suit. Most striking, however, is Rub’s manner. His speaks in a calm, deliberate way and answers questions in full paragraphs, not sound bites.”