I find myself feeling a little conflicted over Franz Xaver Winterhalter (1805-1873). He is undeniably a Master artist, and he became wealthy and famous due to patronage by royalty. But other artists (whose opinions I respect) and art critics (who I respect very little) said that his work was pretentious and superficial due to his pursuit of popularity and wealth. Would one of Winterhalter’s artistic contemporaries, if pulled through time to the 21st century, call him an “art whore for…