  After Being and Time there is a reorienting shift in Heidegger's philosophy known as ‘the turn’ (die Kehre). Exactly when this occurs is a matter of debate, although it is probably safe to say that it is in progress by 1930 and largely established by the early 1940s. If dating the turn has its problems, saying exactly what it involves is altogether more challenging. Indeed, Heidegger himself characterized it not as a turn in his own thinking (or at least in his thinking alone) but as a turn in Being. As he later put it in a preface he wrote to Richardson's ground-breaking text on his work (Richardson 1963), the “Kehre is at work within the issue [that is named by the titles ‘Being and Time’/‘Time and Being.’]… It is not something that I did, nor does it pertain to my thinking only”. The core elements of the turn are indicated in what is now considered by many commentators to be Heidegger's second greatest work, Contributions to Philosophy (From Enowning), (Beitrage zur Philosophie (Vom Ereignis)). This uncompromising text was written in 1936–7, but was not published in German until 1989 and not in English translation until 1999. Section 3 of this article will attempt to navigate the main currents of the turn, and thus of Heidegger's later philosophy, in the light of this increasingly discussed text.