Leni Riefenstahl's birth name is Helene Bertha Amalie Riefenstahl.
Leni Riefenstahl. her full name was Helene Bertha Amalie Riefenstahl. Leni is just a 'stage name'
The German biologist's first name was Theodor.
The first director in the first Dracula movie was F.W. Murau. The film was released in 1922.
Sauve is not a German name.
Pedro Almodóvar Caballeroso his first name its Pedro...
I believe you are looking for the famous director, Oliver Stone.
His full name is Jason Reitman.