The black and white tile piazzas of Italy inspired the work for which Riley is most famous -- an Op Art succession. Caught in a downpour, she noticed how the appearance of the checkerboard tiles shifted and blurred as the water streamed over them. From that point on, she explored the act of looking.

Event, Illusive, Intense, Op art, Physical force, Psychedelic

Fusing humanist concepts, shrewd observation, social commentary, and rather simple filming techniques, London-based artist Gillian Wearing unmasks the human condition in her clever but acutely poignant photographs and single-channel videos. Winner of the prestigious Turner Prize in 1997, Wearing expo

Erotic, Event, Improvised, Intense, Urban, Young british artists

Dark, Distorted, Event, Figurative painting, Grotesque, Melancholy, School of london, Violent, Visceral

Alexander Calder brought motion to sculpture. An incredibly playful spirit, Calder channeled his joy into a deeply informed and influential body of work that spans mediums from simple line drawings to massive steel sculptures. Calder's work reminds us of childhood fantasies like infinite slides and

Candy, Collage, Elegant, Event, Kinetic, Kinetic art, Machinistic, Modern sculpture, Playful, Pop, Rhythmic, Spare