Erich Pommer in Berlin, was produced in a German, English, French, Hungarian as well as a silent version. The film also created the Operetta film genre. The "Erich-Pommer-Produktion der Ufa" turned out several international box office hits in the following years, most notably Josef von Sternberg's "The Blue Angel" (1930), starring Marlene Dietrich. Among his productions was a series of popular musical comedies such as "Die Drei von der Tankstelle" and "Der Kongreß tanzt" / "Congress Dances" and the science fiction spectacle "F.P.1", which was shot in three language versions. After the Nazi Party came to power early in 1933, UFA rescinded
Marlene Dietrich del Río (whom Dietrich considered the most beautiful woman in Hollywood). The French singer Edith Piaf was also one of Dietrich's closest friends during her stay in Paris in the 1950s, and there were always rumors of something more than friendship between them. Greta Garbo has been commonly regarded as Dietrich's greatest film rival, but there is also a rumor of an affair between them. This rumor had its highlight in 2000 when writer Diana McLellan released her book "The Girls: Sappho goes to Hollywood". The author wrote that, in her research, she found proof of a never-before-reported affair between