I though that geologists and geographers are specialists in one of the branches of Earth science, but they aren't. Geology is a branch of Earth science, but geologists and geographers are in this category:
A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes and history that have shaped it. Geologists usually engage in studying geology
A geographer is a scholar whose area of study is geography, the study of Earth's natural environment and human society. Although geographers are historically known as people who make maps, map making is actually the field of study of cartography, a subset of geography
Why aren't geologists and geographers specialists in Earth science if they are in the geology category?