The fun-loving artist Rob Pruitt contributed a couple of incandescent paintings to “Arthur Rainbow,” Mar. 9-Apr. 14, 2012, a ravishing group exhibition held this spring at Air de Paris, the gallery that represents him in the City of Light. The show also included works by Stéphane Dafflon, Dorothy Iannone, Pierre Joseph, Lily van der Stokker and Sister Corita Kent.
