WAUSAU — An exhibition of artwork by the world-renowned father of the op art movement opens at the Leigh Yawkey Woodson Art Museum Dec. 1. “Victor Vasarely: Op Art Master,” an exhibition from the collection of Herakleidon Museum in Athens, Greece, comprises more than 150 serigraphs, lithographs, and gouache paintings. Vasarely’s innovative use of optical illusions […]