Kant, Immanual was a German philosopher, the founder of German classical idealism, born in the city of Koenigsberg . Upon graduation from the university there , he became a private tutor. In 1755 he became privatdozent and in 1770 professor at Koenigsberg University. His development as a philosopher may be divided into two periods — the precritical , and the critical, when he undertook the criticism of reason, set forth in Kritik der reinen Vernunft , Kritik der praktischen Vernunft , (...) and Kritik der Urteilskraft. (shrink)