In 1856 he took the degree of Doctor of Philosophy at Bonn, and in 1858 settled as "Privatdozent" in German literature and languages at Kiel, where, in 1866, he was made professor, and where he lived until his death.
In 1856 he took the degree of Doctor of Philosophy at Bonn, and then traveled through Germany and Switzerland for two years. In 1858, he settled as "Privatdozent" in German literature and languages at Kiel, where, in 1866, he was made professor, and where he lived until his death.