1. (

• Franck ,
• Cesar_Franck

) French composer and teacher who influenced a generation of composers (1822-1890) ;

2. (

• Franck ,
• James_Franck

) 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) ;