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.
Doe Run Company Doe Run Company The Doe Run Resources Corporation, known by the trade name The Doe Run Company, is a privately held natural resources company and global producer of lead, copper, and zinc concentrates. It owns four mills, six mines and a lead battery recycling plant, all in southeast Missouri, United States, and a subsidiary Fabricated Products Inc. with locations in Arizona and Washington. It also owns two former primary lead smelter sites in the U.S. that are currently being remediated. It is wholly owned by The Renco Group, Inc The company that would become The Doe Run Company was founded