Bridget Riley

b. 1931

This silkscreen comes from the original Portfolio: “Conspiracy: The Artist as Witness”, which also featured works by Alexander Calder, Jack Beal, Romare Bearden Leon Golub-Nancy Spero, Sol Lewitt, Robert Morris, Claes Oldenburg, Larry Poons, Peter Saul, Raphael Soyer, and Frank Stella. All of the artists – including Bridget Riley – donated the entire edition to the Chicago 8 (later Chicago 7) legal fundraising campaign run by the Center for Constitutional Rights.