How did Friedrich Schiller contribute to German theatre during the Sturm und Drang movement?

Friedrich Schiller contributed to the Sturm und Drang movement primarily as a latecomer whose 1781 play, The Robbers (Die Räuber), marked a new phase for the movement's dramatic literature.12

His contributions included:

• Advancing Social Critique: Schiller used his drama to launch a scathing indictment of corruption in high places and the stifling nature of social conventions. His work explored the abuse of power, a theme rooted in his own experiences under a despotic ruler.3
• Defining the Protagonist: He popularized the "titanic" or "sublime criminal" figure—a character of fiery spirit and vitality who rebels against an unjust society. Through the character of Karl Moor, Schiller depicted the struggle of a noble individual driven to crime by societal injustice.32
• Exploring Moral Complexity: Unlike some earlier works of the movement, The Robbers ultimately challenged the efficacy of anarchy and violence, as the protagonist eventually submits to the law, asserting that society cannot be reformed through terrorism.43
• Thematic Motifs: Schiller utilized motifs common to the movement, such as the conflict of primogeniture and the struggle between brothers, to give his plays biblical dimensions.2