<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> Johann Nikolaus Tetens (1736–1807) was among the most influential figures of the European Enlightenment as a philosopher as well as scholar in disciplines such as mathematics and nature research. He systematically studied the philosophy of John Locke and David Hume, and made them accessible to the epistemological and moral philosophical discourses of the period. In this volume renowned scholars analyze Tetens’s broad range of work.