Question:  What city was the birthplace of the German physicist for which Hund's coupling cases in the spectroscopy of diatomic molecules are name for?
Sentence (from "Homonuclear molecule"): Homonuclear diatomic molecules include hydrogen (H), oxygen (O), nitrogen (N) and all of the halogens. Ozone (O) is a common triatomic homonuclear molecule.
Relevant evidence: No