Carl Johan "Janne" Jakob Keyser, born on 5 July 1821 in the parish of Slaka, Östergötlands Län, died on 7 April 1895 in Norrköping, was a Swedish agricultural scientist and lecturer.
Keyser enrolled at Uppsala University in 1841 and graduated with a Master's degree in philosophy in 1848, after which he was reappointed as a lecturer in agricultural chemistry at Uppsala University.
In 1853-54 he undertook a scientific journey through Germany and France on a scholarship and later became a teacher at the technical school in Norrköping. In 1877-88 he was a lecturer at the same school. Keyser published a number of scientific papers.
Die Geschichte der Isländischen Republik ist die Geschichte von Flüchtlingen, Abenteurern und Freigeistern, die sich einem aufstrebenden Alleinherrscher entziehen und auf jener entfernten Insel aus Feuer und Eis einen eigenen Staat aufbauen.
Schon im Jahr 930 hatte sich das neue...
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