A German historian of philosophy, born at Sandewalde, Silesia; as a student of Erdmann at Halle he was smitten with the love of philosophy, and gave his life to the study of it; after graduating he went to Heidelberg and there established himself as a private lecturer, in which capacity he was eminently successful, but in 1853 was deprived of his status by Government, probably on account of the alleged Pantheistic trend of his teaching; in 1856, however, he was elected to the chair of Philosophy in Jena, and 16 years later was called back to Heidelberg as Zeller's successor; his chief work is a "History of Modern Philosophy"; born 1824.