Which artist is known for the black-and-white optical illusion art called Movement in Squares?

The artist known for the black-and-white optical illusion art called Movement in Squares is Bridget Riley. Riley states that she draws inspiration for her spectacular abstractions expressed in paintings and prints largely from nature, which she defines as a “dynamism of visual forces — an event rather than an appearance.” The British artist produced her iconic piece, Movement in Squares, in 1961. Find a wide range of Bridget Riley art on 1stDibs.