In 1889 he became privatdozent in the university of Berlin, and four years later was appointed extraordinary professor of divinity.
In 1828 he became Privatdozent at Strassburg.
He became a Privatdozent in 1 819, and held professorships at Breslau (1822) and Halle (1824).
He studied at Tubingen, where he became doctor of philosophy in 1840 and Privatdozent in 1848.
In 1852 he became schoolmaster at Cologne; in 1855 privatdozent in philosophy at Bonn; in 1858 schoolmaster at Duisburg, resigning when the government forbade schoolmasters to take part in political agitation.