Original: The philosopher Johann Georg Hamann is considered to be the ideologue of Sturm und Drang , and Johann Wolfgang von Goethe was a notable proponent of the movement ; though he and Friedrich Schiller ended their period of association with it by initiating what would become Weimar Classicism .
Simplified: Sturm und Drang ( also called Storm and Stress ) was a time in German literature that was popular from 1770 to 1784 .