In Leipzig he was a student of Heinrich Leberecht Fleischer ( 1801 - 1888 ) .
In Kiel student studied under Justus Olshausen ( 1800 - 1882 ) .
In Leipzig he was a student of Heinrich Leberecht Fleischer ( 1801 - 1888 ) , and in Kiel he studied under Justus Olshausen ( 1800 - 1882 ) .