A Cosmopolitan Brush: The Life and Art of Johan Joseph Zoffany Johan Joseph Zoffany, a name perhaps less instantly recognizable than his contemporaries like Reynolds or Gainsborough, nevertheless occupies a fascinating niche in the annals of 18th-century portraiture. Born in Frankfurt am Main in 1733, his journey was one of restless artistic exploration, taking him from the German workshops to the glittering courts and bohemian circle…