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 Butzer Karl Butzer Karl W. Butzer (August 19, 1934 – May 4, 2016) was a German-born American geographer, ecologist, and archaeologist. While he was still a child, his family emigrated, first to England, and then to Canada. He obtained a master's degree in Meteorology and Geography from McGill University and a doctorate in physical geography from the University of Bonn in Germany. From 1959 through 1966 he taught at the University of Wisconsin–Madison. This was followed by a stint at the ETH in Zurich, Switzerland. Next, he taught at the University of Chicago until 1984. After that, he went to the