Red, Green, and Blue Twisted Curves, 1979. The “spectator who looks at my work is part of the work itself,” Riley has said. Collection of the artist. ©Bridget ...

Bridget Riley has produced some ... which came to be defined as op-art (optical art), a visual symbol of the 1960s. But Riley has always rejected the op-art label. “Riley’s interest in those ...

Op Art Legend Bridget Riley Gives Hospital A Candy-Colored Makeover It's the painter's first mural in nearly three decades Op Art Legend Bridget Riley Gives Hospital A Candy-Colored Makeover ...