Perhaps the greatest influence upon it was the philosophy of Herder, though it was a drama by Klinger that gave this movement its name.  
It took its name from the alternate title for the play Confusion.  Leading poetic examples of this movement include the work of J.M. Lenz and Burger's ballad of "Lenore."  Perhaps the greatest influence upon it was the philosophy of Herder, though it was a drama by Klinger that gave this movement its name.  It is perhaps best typified by Goethe's Sorrows of Young Werther.  FTP, identify this pre-Romantic German literary movement, whose name translates as "storm and stress."
It took its name from the alternate title for the play Confusion.  
Sturm und Drang (prompt on early buzz of "storm and stress")