"Erik Charell (April 8, 1894 – July 15, 1974), born as Erich Karl Löwenberg, was a German theatre and film director, dancer and actor. He is best known as the creator of musical revues and operettas, such as The White Horse Inn (Im weißen Rössl) and The Congress Dances (Der Kongress tanzt)." - (en.wikipedia.org 18.07.2020)