Lucas Zwirner faces to the side in a swirl of pigment washes of purple and blue. When Elizabeth Peyton’s painting of her friend, the heir-apparent to the Zwirner gallery empire, debuted at Art Basel ...

We’ve all spent a lot of time indoors lately, and many of us have been staring at blank walls—or, worse yet, at those dog-eared posters we’ve been hauling around since our college days. Don’t have the ...