Victor Vasarely is probably the most famous representative of Op Art. In 1947, his work as a commercial artist led him to realize that geometric abstractions could evoke sensations that conveyed new ideas about space, matter, and energy. Vasarely usually arranges geometric figures in bright colors in a latticework in such a way as to create the impression of fluctuating movement. By means of foreshortened lines, angles that become obtuse or more acute, and circular forms progressively stretched into ovals, the artist models the pictorial space and gives it a pulsating three-dimensional effect. Vasarely's aesthetic approach is entirely in the tradition of constructive geometric art, but he enriches it with new visual experiences, the illusionistic representation of three- or multi-dimensionality and the factor of movement.