warhol last supper (Photo: Andy Warhol’s work “The Last Supper” from 1986/The Andy Warhol Foundation for the Visual Arts)

As a pop art pioneer, Andy Warhol blazed his way to fame with trademark Brillo soap pad boxes and silk-screens of Campbell’s Soup cans.  But a new museum exhibit shows pop art was just a seven-year phase for Warhol in the 1960s, before his 1980s plunge into abstract art and Christian imagery, particularly his versions of “The Last Supper.”