In The Precursors of Proto-Indo-European some of the world’s leading experts in historical linguistics shed new light on two hypotheses about the prehistory of the Indo-European language family, the so-called Indo-Anatolian and Indo-Uralic hypotheses. The Indo-Anatolian hypothesis states that the Anatolian branch of the Indo-European family should be viewed as a sister language of ‘classical’ Proto-Indo-European, the ancestor of all the other, non-Anatolian branches. The common ancestor of all Indo-European languages, including Anatolian, can then be called Proto-Indo-Anatolian. The...