Jacob and Wilhelm Grimm  

Jacob Grimm (January 4th, 1785 - September 20th, 1863) and Wilhelm Grimm (February 24th, 1786 - December 16th, 1859), two German scholars known for their work in linguistics and folklore. They are best recognized for compiling collections of folk tales and fairy tales that gained widespread popularity. Jacob also made significant contributions to the field of phonetics with Grimm's Law, which describes how the sounds in words change over time. Together, they authored a comprehensive German dictionary. The Brothers Grimm have become synonymous with European folklore and their works, including Rumpelstiltskin, Snow White, Sleeping Beauty, Rapunzel, Cinderella, Hansel and Gretel, and "The Frog Prince," remain popular to this day.