Schjeldahl writes:» [Thomas»] best acrylics and watercolors
of loosely gridded, wristy daubs are among the most
satisfying feats (and my personal favorites)
of the Washington Color School, a group that included Morris Louis, Kenneth Noland, and others associated with the prescriptive aesthetics
of the critic Clement Greenberg: painting shorn
of imagery, the
illusion of depth, and rhetorical gesture.