Note: Do not rely on this information. It is very old.
Jahn, Otto (1813-69), a German philologist and archaeologist, was born at Kiel, and educated there and at Leipzig and Berlin. He left Kiel for Greifswald, to which he went as professor of archaeology in 1842, held a chair at Leipzig from 1847 to 1851, and from 1855 till his death was professor at Bonn. Besides important archaeological and philological writings, he was author of a life of Mozart and editor of some of Goethe's letters.