a German philosopher, was born at Stavanger, Norway, May 2, 1773. He was professor of natural sciences at Breslau and Berlin, but in 1831 he renounced his pantheistic errors, and published Wie ich wieder Lutheraner wurde, und was mir das Lutherthum ist. In the same year he published Die falsche Theologie und der wahire, Glaube, which was directed against the union of the Lutheran and Reformed churches, was inaugurated by king Frederick William III of Prussia. Steffens' main work is Christliche Religions philosophie (Breslau, 1839, 2 volumes). He died in 1845. See Lichtenberger, Encyclop. des Sciences Religieuses, s.v.; Steffens, Was ich erlebte (Breslal, 1840, 10 volumes).