Jacob Grimm
Jacob Ludwig Karl Grimm (4 January 1785 – 20 September 1863), also known as Ludwig Karl, was a German philologist, jurist, and mythologist. He was the discoverer of Grimm's law of linguistics. He was the co-author of the Deutsches Wörterbuch, the author of Deutsche Mythologie, and the editor of Grimm's Fairy Tales.