Master Painter John Clemmer In Town For Gallery Walk-Thru By Diane Mack Published February 7, 2014 at 1:30 PM CST Listen • 5:50 John Clemmer Artist John Clemmer. This week on Inside the Arts, we talk with master painter and sculptor John Clemmer, an iconic figure on the New Orleans arts scene, as he returns home for a walk-thru of his latest exhibit, Nine Years Later, on view at LeMieuxGalleries.