Baedeker "baedekering" became an English-language term for the purpose of traveling in a country to write a travel guide or travelogue about it. Fritz Baedeker became the most successful travel guide publisher of all time and turned the publishing house into the most famous and reputable publisher of travel guides in the world. In 1909, Leipzig University conferred an honorary Ph.D. (a rare honour at the time) on him at its 500th anniversary convocation. This era in its history was brought to an end by the outbreak of World War I, after which the house of Baedeker went into decline, the
Karl Friedrich Köppen Karl Friedrich Köppen Karl Friedrich Köppen (26 April 1808 – 26 April 1863) was a German teacher and political journalist. He was one of the Young Hegelians. Köppen was from a born in a pastor's family in Altmark. He studied theology at the University of Berlin from 1827 to 1831, but later turned to religio-critical Hegelianism. After his studies and military service in 1833, he taught at the secondary school Dorotheenstädtischer. In 1837, he met Karl Marx, with whom he developed a close friendship. In 1840 he became one of the most active associates of Arnold Ruge and published Hallischen