Olafur Eliasson (born 1967, Copenhagen, Denmark) is a Danish artist whose sculptures and large-scale installation art employed elemental materials such as light, water, and air temperature to enhance the viewer’s experience of the ordinary.

Eliasson spent his childhood in Denmark and Iceland, where the unique terrain informed his interest in nature as artistic material. From 1989 to 1995 he studied at the Royal Danish Academy of Fine Arts in Copenhagen. He began to receive international attention in the early 1990s with groundbreaking sculptures and installations that employed illusory tools along with intentionally simple mechanics. Later in his career he divided his time between Copenhagen and his studio in Berlin, where projects were conceptualized and constructed by a team of architects, engineers, and assistants.

Eliasson’s early interest in natural phenomena and perception led him to create works that simultaneously sparked and challenged the senses. In Your Strange Certainty Still Kept (1996), droplets of water were frozen in midair through the use of a perforated hose and strobe lights. Ventilator (1997) incorporated a menacing electric fan swinging from a ceiling. In Room for One Colour (1997), he flooded a room with saturated yellow light, causing all other colours to be perceived as black. Conversely, in 360° Room for All Colours (2002), a circular space changed colours almost imperceptibly.

Eliasson increasingly focused on built environments and site-specific works. In 2003 he represented Denmark in the 50th Venice Biennale with The Blind Pavilion, an architectural structure made of alternating black opaque and transparent glass panels that created disorienting reflections for visitors walking through. That same year at Tate Modern in London, he exhibited The Weather Project, a 50-foot (15-metre) in diameter orb resembling a dark afternoon sun made of 200 yellow lamps, diffusing screen, fog, and mirrors. During its five-month installation, more than two million visitors basked in the sun’s artificial glow, interacting with the constructed environment as if it were the product of nature. With these projects and others, Eliasson kept a consistent emphasis on the critical role of the viewer in the materialization of the artwork, such that the experience remained transformative, varied, and ultimately dependent on its audience.

A comprehensive touring exhibition of Eliasson’s work, Take Your Time: Olafur Eliasson started in 2007 at the San Francisco Museum of Modern Art. In 2008 he created four man-made waterfalls for New York City’s waterfront. For three and a half months, the waterfalls’ scaffolding structures, which ranged from 90 to 120 feet (27 to 36 metres) high and up to 45 feet (14 metres) across, pumped cascades of water into the East River in Lower Manhattan.

Eliasson’s work expanded into other disciplines in the 2010s, including architecture and product design. The permanent installation Your rainbow panorama was constructed atop the ARoS Aarhus Kunstmuseum in Denmark in 2011. Comprising a circular walkway encased in coloured glass, the piece, as its name suggests, offered patrons panoramic views through a spectrum of colours. Eliasson also collaborated with Henning Larsen Architects to design the facade of the Harpa Concert Hall and Conference Centre (2011) in Reykjavík, Iceland. Using the local basalt formations as inspiration, Eliasson designed hexagonal glass panes that reflected light in such a way that the building seemed to glisten.

In 2012 Eliasson turned toward social concerns by founding the business Little Sun with engineer Frederik Otteson. Through the sale of a solar-powered lamp that the partners designed, the company sought to provide light to areas of the world that did not have access to electricity. Eliasson then established the firm Studio Other Spaces with architect Sebastian Behmann in 2014. Their first independently designed building, Fjordenhus (2018), was constructed partially submerged in a fjord in Vejle, Denmark. Critics commended the brick building’s innovative location, considered use of space, and elegant sculptural form.

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Eliasson’s work from this period also included multiple installations of imported icebergs from Greenland, which were arranged in the public spaces of such cities as Copenhagen (2014), Paris (2015), and London (2018) during critical conferences on climate change. In an effort to render the abstract concept of global warming tangible, each installation of Ice Watch invited visitors to interact with the ice and observe as it melted.

Michal Raz-Russo The Editors of Encyclopaedia Britannica

environmental sculpture, 20th-century art form intended to involve or encompass the spectators rather than merely to face them; the form developed as part of a larger artistic current that sought to break down the historical dichotomy between life and art. The environmental sculptor can utilize virtually any medium, from mud and stone to light and sound.

The works of the American sculptor George Segal are among the best-known self-contained sculptural environments; his characteristic white plaster figures situated in mundane, authentically detailed settings evoke feelings of hermetic alienation and suspension in time. By contrast, the eerily realistic figures of Duane Hanson, an American influenced by Segal, are usually displayed in such a way as to partake of, contribute to, and indeed often disturb the given exhibition environment. Other notable sculptors of indoor environmental works include the American artist Edward Kienholz, whose densely detailed, emotionally charged works often incorporate elements of the surreal, and Lucas Samaras and Robert Irwin, also Americans, both of whom have employed transparent and reflective materials to create complex and challenging optical effects in gallery and museum spaces.

The larger context of the natural and urban outdoors has preoccupied another group of environmental artists. The controversial “earthworks” of Robert Smithson and others frequently have entailed large-scale alterations of the Earth’s surface; in one notable example, Smithson used earth-moving equipment to extend a rock and dirt spiral, 1,500 feet (460 m) long, into Great Salt Lake in Utah (Spiral Jetty; 1970). The Bulgarian-born artist Christo has involved large numbers of people in the planning and construction of such mammoth alfresco art projects as Valley Curtain (1972; Rifle Gap, Colo.). Christo’s numerous “wrapped buildings” have been notable among urban environmental works of the past few decades.

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This article was most recently revised and updated by Amy Tikkanen.