In this issue the idea of the object is exploded in the works of two artists with strikingly different yet subtly similar approaches to the legacies of Minimalism and Conceptualism. Since the 1960s, Lawrence Weiner has questioned artistic authority and originality eschewing images for an art "made" entirely of language. Winner of the prestigious Turner Prize in 1994, Rachel Whiteread relies on the imaginative associations of her audience, constructing...