Friedrich Albert Lange, was a German philosopher and sociologist. He was born in Wald, near Solingen, the son of the theologian, Johann Peter Lange. He was educated at Duisburg, Zürich and Bonn, where he distinguished himself in gymnastics as much as academically. In 1852 he became a schoolmaster at Cologne; in 1853 "privatdozent" in philosophy at Bonn; and in 1858 schoolmaster at Duisburg, … Wikipedia
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