Since the 1960s, Edna Andrade (b. 1917) has created a body of paintings that pursues a formal logic based in geometric abstraction and opticality. Influenced by modernist painters such as Paul Klee, Piet Mondrian, and Josef Albers, Andrade’s paintings incorporate a pared-down vocabulary of shapes, such as circles, triangles, squares, and pentagons and a deceptively simple color palate made more complex through the works’ compositions…