What made Joseph tyrrell so important?

Joseph Tyrrell was an influential Canadian geologist and explorer known for his significant contributions to the study of the Canadian Shield and the discovery of the fossil beds in the Badlands of Alberta. His most notable achievement was the discovery of the first complete dinosaur skeleton in North America, which he named Albertosaurus. Tyrrell's work helped lay the groundwork for modern Paleontology and improved understanding of the geological History of Canada. His explorations also contributed to the mapping and geological survey of vast regions in the Canadian wilderness.