Baedeker running of the firm. 1859−1861: Following the death of Karl Baedeker, his eldest son Ernst Baedeker (1833−1861) became the head of the firm. After his training as a bookseller in Braunschweig, Leipzig and Stuttgart, he had spent some time at the English publishing house "Williams & Norgate" in London. On New Year's Day, 1859, he had joined his father's publishing firm as a partner and just ten months later he was running it on his own. His tenure at the helm of the firm saw the publication of three new travel guides in 1861 viz the first Baedeker travel guide
Baedeker Mairs publishing group, were merged and housed together in Ostfildern/Kemnat as "Karl Baedeker GmbH" with a branch in Munich. The ownership of the new venture was split down the middle between Langenscheidt and Mairs. In 1997, Mairs Geographischer Verlag, now known as , became the 100% owner of Verlag Karl Baedeker, along with all rights attached to Karl Baedeker's name and firm. The new English Baedekers produced by MairDumont dispensed with the "Allianz" logo in the title, with the German editions doing the same in 2013. This marked the beginning of a new era in the appearance and content of