He studied at the universities of Halle and Berlin, and was appointed professor of Sanskrit and comparative linguistics at the University of Jena in 1869 where he remained until 1912.
In 1871 he published a study of the subjunctive and optative moods in Sanskrit and Greek, which was the first thoroughly methodical and complete treatment of a problem in comparative syntax. He died in Jena, aged 79.
Saxonian Academy of Sciences.