Definitions for "Franck"
Franck is a small lunar impact crater that lies near the north end of Sinus Amoris, a bay on the northern part of Mare Tranquillitatis. The crater lies just to the southeast of Brewster crater, and further to the south of Römer crater. Franck crater was previously designated 'Römer K' before being given a unique name by the IAU.
United States physicist (born in Germany) who with Gustav Hertz performed an electron scattering experiment that proved the existence of the stationary energy states postulated by Niels Bohr (1882-1964)
French composer and teacher who influenced a generation of composers (1822-1890)