 Franck became the Head of the Physics Division of the Kaiser Wilhelm Gesellschaft for Physical Chemistry . In 1920 , Franck became professor ordinarius of experimental physics and Director of the Second Institute for Experimental Physics at the University of Göttingen . While there he worked on quantum physics with Max Born , who was Director of the Institute of Theoretical Physics . His work included the Franck – Hertz experiment , an important confirmation of the Bohr model of the atom . He promoted the careers of women in physics , notably Lise Meitner , Hertha Sponer and Hilde Levi . 
