He lived for a time in Berlin and became a privatdozent, but was unable to obtain a professorship.
In 1869 he was privatdozent at Zrich, and next year professor.
He graduated at Leipzig, where in 1685 he became a privatdozent.
A scholar who has incurred the displeasure of the political authorities must be content to remain a privatdozent all his life.
He became a privatdozent in 1819, and held professorships at Breslau and Halle .
In 1835 he became Repetent, in 1838 privatdozent and in 1841 professor extraordinarius in the theological faculty at Erlangen.
He afterwards attended lectures in Gttingen, and in 1854 settled as privatdozent at Bonn.