Abstract
This theory focuses between relationship Modern Germanic Geographer Alexander von Humboldt(1769-1859) and Romanticism of Bayreuth before and behind 19th Century. When he was in younger days, he stayed in Bayreuth to research natural resources around Land of Bayreuth as Engineer of Prussia Kingdom . By the experience seeing various and precious this nature filled with Romanticism in Bayreuth's Land, he had gotten new inspiration related to his milestone "Kosmos" after that his exploration around the world. I will mention what Bayreuth gave him, and how Bayreuth's Land and Romanticism influenced on Modern and Human Geography up to Earth environmental studies in nowadays.