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.
Karl Ernst Jarcke Karl Ernst Jarcke Karl Ernst Jarcke (10 November 1801, Danzig, Prussia – 27 December 1852, Vienna) was a German publisher and professor of criminal law, who took a conservative stance towards revolutionary movements in the early nineteenth century. He belonged to a Protestant merchant family. He took up the study of jurisprudence, and became at an early age professor of criminal law at Bonn and later in Berlin. His scholarly attachments were especially revealed in his "Handbuch des gemeinen deutschen Strafrechts" (3 vols., 1827–30). Longing for faith and overcome by the conclusively and immensity of Catholic dogma, as he found