Baedeker to have three of his four sons − Hans, Ernst and Dietrich − beside him in the firm, as editors and writers. Karl Baedeker III, the fourth son, entered academia and rose to become a professor of physics at the University of Jena. He was killed in action at the Battle of Liège in August 1914. It was his son Karl Friedrich who revived Verlag Karl Baedeker after the Second World War. During his reign, which lasted over 50 years, Fritz produced 73 new "Baedekers", as they came to be known universally. The Baedeker travel guides became so popular that
Baedeker guides. Baedeker would provide the text and Mair the finished product. The Baedeker Autoführer Verlag, Stuttgart was born. The slim guides called "Baedeker-Shell" guides were designed to fit into a man's jacket pocket or in the glove compartment of a car. The first ones covered Germany and were a huge success. Guides on other European countries followed in both German and English. Karl Friedrich was now operating on two fronts. He continued to produce city and regional guides from Malente and with the publication of his 1954 "Berlin" guide in German, English and French, the Baedeker brand had been well