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
Karl Juchheim Karl Juchheim Karl Joseph Wilhelm Juchheim (December 25, 1886 – August 14, 1945) was a German confectioner who first introduced Japan to baumkuchen, a traditional German layered cake. The Juchheim Company, founded by Karl Juchheim and his wife in 1921, continues to sell baumkuchen and other sweets according to Juchheim's original recipe in pastry shops throughout Japan. Karl Juchheim was born and raised in Kaub, Germany. In 1908, the 22-year-old Juchheim moved to Jiaozhou Bay located in the Shandong Province of China. Jiaozhou, known to the Germans as "Kiautschou", was at the time a German protectorate but still under Chinese