Karl Baedeker (scientist) Karl Baedeker (scientist) Karl Wilhelm Sali Baedeker (3 February 1877 – 6 August 1914) was a German physicist, and a professor at the University of Jena. He was the grandson of Karl Baedeker, the founder of the eponymous travel guide publishing house, and the son of Fritz Baedeker (1844 - 1925), who ran the same company from 1869 until his death in 1925 (see Baedeker). One of his scientific discoveries was that the resistivity of cuprous iodide (CuI) depended on its stoichiometry. Thin films of the material became much more conductive when exposed to iodine vapor; the effect was reversible.
Baedeker destruction of their headquarters in Leipzig, with total loss of the firm's archives, in the early hours of December 4, 1943 when Britain's Royal Air Force bombarded the city. See also Baedeker Blitz for Baedeker Raids. Hans was extremely proud of what the Baedeker clan had achieved and not one to give up trying to revive the firm. He received a loan from Allen & Unwin, the London publishing house, which represented Baedeker in Britain, and continued to do whatever he could to rejuvenate the firm at home. On July 1, 1927, Hans celebrated the centenary of its foundation by