The African Enlightenment The highest ideals of Locke, Hume and Kant were first proposed more than a century earlier by an Ethiopian in a cave Dag Herbjørnsrud Aeon, Jan., 2018 Dag Herbjørnsrud is a historian of ideas and founder of SGOKI (the Center for Global and Comparative History of Ideas) in Oslo. His latest book is Global Knowledge: Renaissance for a New Enlightenme..