In 1968, American sculptor Robert Morris coined the term ‘anti-form’ to distinguish a new kind of sculpture that had emerged in reaction to minimalism. Where it stressed composition and organisation, the new art preferred decomposition and disorganisation. In place of strict geometries, Morris, Eva Hesse, Richard Serra, Lynda Bengalis, and Barry Le Va draped, poured, and scattered material. Their work emphasised material, mutability, process. Unravelled brings together five artists who...