Sentence:  It was precisely this reason, science and the eighteenth-century Enlightenment to account for genius in rational terms that allowed the non-rational thinkers who fueled the fires of the <WSD>"Sturm und Drang</WSD>" movement to vivify, and elaborate upon, the ancient Greek notion of genius as a numinous power associated with the Muses and the gods. 
Meaning of the word marked with <WSD> tags:  A proto-Romantic movement in German literature and music which occurred from the late 1760s to the early 1780s, emphasizing individual subjectivity and the free expression of emotions.