Robert Whitcomb May 20, 2015 Commentary Color, light and lines Robert Whitcomb May 20, 2015 Commentary "Cascade 1'' (archival pigment with wax and oil paint on wood), by LIA ROTHSTEIN, at Aidron Duckworth Art Museum, Meriden, N.H. The gallery says her work is "about visual perception and the interactions between color, light and lines in space..''