The essays in this collection celebrate Ken Hale's lifelong study of underdocumented languages and their implications for universal grammar. The authors report their latest research in syntax, morphology, semantics, phonology, and phonetics.ContributorsElena Anagnostopoulou, Noam Chomsky, Michel DeGraff, Kai von Fintel, Morris Halle, James Harris, Sabine Iatridou, Roumyana Izvorski, Michael Ken…