Baedeker modern Baedekers under the catchphrase ""Wissen öffnet Welten"" ("Knowledge opens worlds"). The previous German editions had four main sections: "Background", "Tours", "Destinations from A to Z" and "Practical Information from A to Z". MairDumont added a fifth section in each guidebook entitled ""Erleben und Geniessen"" ("Experience and Enjoy"). These new Baedeker guides were the first such guidebooks to incorporate infographics. From the outset, Karl Baedeker recognised the importance of publishing his guides in English as well. His son Ernst had worked in London before joining Verlag Baedeker in 1859, and was entrusted with the task of preparing the first Baedeker
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