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.
Morten Michael Kallevig (1772–1827) Morten Michael Kallevig (1772–1827) Morten Michael Kallevig (1772 – 8 May 1827) was a Norwegian businessperson. He is best known as the owner of the trading and shipping company Salve Kallevig & Søn, which was founded by his father Salve Johannessøn Kallevig (1732–1794) in 1792, two years before he died. The company was passed down through the generations, and existed until 1962. Morten Michael Kallevig acquired burghership in Arendal in 1794, and served as vice consul for France and the Hansa League. He is also known for raising Kalleviggården as his private residence in Arendal. In 1844, his widow sold