Another group at this event used optical illusions and the robot from The Forbidden Planet.
Four participants in this event were photographed sitting in chairs and stools in the middle of the street. This event involved the creation of a patch of sand where a boulder with chalk drawings, bicycle parts, and arrays of tiles were strewn. Another part of that work created for this event was a three-walled wooden shed with a transparent roof. This event featured twelve teams of artists, with Patio and Pavilion being the submission of the Smithsons, Henderson, and Paolozzi. Another group at this event used optical illusions and the robot from The Forbidden Planet. Based around the (*) Independent Group, this exhibition took place at the Whitechapel Art Gallery in London. A work created for this event shows a woman vacuuming the stairs and a poster for the magazine Young Romance as part of a collage featuring a bodybuilder with an oversized Tootsie pop. For 10 points, name this popular 1956 exhibition in which Richard Hamilton participated, an important precursor to British Pop Art.
Four participants in this event were photographed sitting in chairs and stools in the middle of the street.
This Is Tomorrow [prompt on descriptions mentioning Pop Art and Britain]