In the 1960s and '70s, if you were in a doctor's office, or a funeral home, or a motel in Florida, chances are a landscape painting hung on the wall. Palms arching over the water, or moonlight on an ...

Today, their paintings hang in the White House. But in the 1960s, they sold them, often still wet, from the trunks of their cars. In the 1960s and '70s, if you were in a doctor's office, or a funeral ...