Hans Georg Stehlin Scientist
Hans Georg Stehlin (1870–1941) was a Swiss paleontologist and geologist.He specialized himself on vertebrate paleontology, particularly on the study of Cenozoic mammals. He published numerous papers on primates and ungulates. He was president of the commission of the Natural History Museum of Basel.In 1910 he coined the term Grande Coupure to refer to the extinction event occurred 33.9 millions of years ago, which defines the Eocene-Oligocene limit. It originated a huge change on the organism and especially on the mammals of Europe.