Who is Marlene Dietrich from The Art of Seduction and what is their importance?

Marlene Dietrich is another seductress known as having had some kind of 'masculine edge' to her female power. The different type, the movie image, the unreality, her style, her sense of herself as an image creation for the pleasure of others are all used in The Art of Seduction to explain to readers a few aspects of seduction: what it is, and how it works.