Description: (German Geologist and Paleontologist Who Defined the 'Jurassic System')
Christian Leopold von Buch, a German geologist and paleontologist, made significant contributions to geology in the early 19th century. His research covered various geological topics including volcanism, petrology, fossils, stratigraphy, and mountain formation. Von Buch's defining accomplishment was establishing the scientific definition of the Jurassic system. His work greatly enhanced the understanding of Earth's geological history and processes, establishing him as a pioneering figure in the field of geology.