 A brother of Rubidge, who inherited the Wellwood farm, maintains the Karoo fossil collection housed at the farm.The Evolutionary Studies Institute remains an active research and teaching institution whose small staff and their students remain dedicated to exploring the fossils of the Karoo Basin and the famous hominin fossil-bearing sites - true to the original dreams of Broom and Price.The Evolutionary Studies Institute's main research focuses include the paleontological and sedimentological development of the Carboniferous-Jurassic Great Karoo Basin, phylogenetic research of dinosaur species and their relatives, and hominins from the Plio-Pleistocene fossil-bearing deposits.