Visual arts highlights of 2015: Goya, Marlene Dumas and the utopian Black Square

Adventures of the Black SquareFollowing Tate Modern’s excellent Malevich exhibition last year, this exhibition will explore how the utopian Black Square has provided inspiration for generations of artists. Themes of communication, architectonics and the everyday will be explored by artists from Dan Flavin to Jenny Holzer.Whitechapel Gallery, London,  15 January to 6 April