Early versions of many of the essays in this volume were presented at the “Nature and Freedom in Kant” conference at Brown University in October 2013. Mike Nance, Fred Rauscher, Jeppe von Platz, and Jennifer Uleman deserve special thanks for organizing the conference. Marie Johansen and Joana Rolfes provided invaluable assistance with web design and administration, respectively. Funding for the conference was provided by the Office of the Dean of the College, Brown University; the Cogut Center for the Humanities, Brown University; the German Academic Exchange Service (DAAD); the Franklin J. Matchette Foundation; the Goethe-Institute; the Consulate General of the Federal Republic of Germany in Boston; the Department of Philosophy, Brown University; and the Department of Philosophy, University of Pennsylvania. Many thanks to Jacob Caldwell for his assistance in preparing the final manuscript.