In the 1950s and 60s, Martin Heidegger turned to sculpture to rethink the relationship between bodies and space and the role of art in our lives. In his texts on the subject--a catalog contribution for an Ernst Barlach exhibition, a speech at a gallery opening for Bernhard Heiliger, a lecture on bas-relief depictions of Athena, and a collaboration with Eduardo Chillida--he formulates his later aesthetic theory, a thinking of relationality. Against...