Olafur Eliasson (born 1967 in Copenhagen, Denmark) is a Danish-Icelandic artist. In 1995 he established Studio Olafur Eliasson in Berlin, a laboratory for spatial research. Eliasson represented Denmark at the 50th Venice Biennale in 2003 and later that year installed The Weather Project in the Turbine Hall of Tate Modern, London.
Eliasson has engaged in a number of projects in public space, including the intervention Green river, carried out in various cities between 1998 and 2001; the Serpentine Gallery Pavilion 2007, London, a temporary pavilion designed with the Norwegian architect Kjetil Thorsen; and The New York City Waterfalls, commissioned by Public Art Fund in 2008.