Viktor Vasarely was an artist who was best known for his Op art, or optical art. He was a pioneer in the genre, which uses geometric patterns and shapes to create illusions of movement and depth. Some synonyms for Vasarely might include Op artist, optical artist, geometric artist, abstract artist, modernist, and avant-garde artist. His work was influential in the 1960s and 1970s, and he continues to inspire contemporary artists today. With his use of color, form, and geometry, Vasarely's creations are unmistakable and instantly recognizable, making him a true icon of the art world.