Chaos magick Occult World 2014 In 1969 German artist Sigmar Polke (1941-2010) created a large canvas with one black corner and a typed message reading ‘Höhere Wesen befahlen: rechte obere Ecke schwarz malen!' (‘Higher beings command: paint the upper right corner black!'). DOI: 10.4324/9781315745916-51 (opens in new tab) Full text (opens in new tab)