They are among the best in their scientific fields. With the series “Brilliant Minds,” DW-tv introduces top-notch young researchers from all over the world who live and work in Germany.Rajkumar Thummer does his research at the Life and Brain Center at the University of Bonn, one of the Germany’s leading institutes for stem cell research. The 30-year-old Indian is working on ways to transform human cells back into stem cells. By using stem cells, doctors are hoping they can treat conditions like Alzheimer’s disease in future. If this could be done by using stem cells from the body, problems such as patient rejection of transplanted tissue or organs could become a thing of the past.