| He taught and supervised the work of an entire generation of Chinese stratigraphers and palaeontologists. |
| He is a third-generation Kenyan whose parents won fame as palaeontologists and archaeologists focusing on the search for the origins of human life. |
| Consequently, palaeontologists rely on stratigraphy to date fossils. |
| Apparently, palaeontologists have wondered for years as to why the brachiosaurus didn't collapse under its own weight. |
