A collaborator with Warner Brothers and Paramount in the early days of sound film, the German film director Ernst Lubitsch (1892-1947) is famous for his sense of ironic detachment and for the eroticism he infused into such comedies as So This Is Paris and Trouble in Paradise. In a general introduction to his silent and early sound films (1914-1932) and in close readings of his comedies, Sabine Hake focuses on the visual strategies Lubitsch used to...