Tomas Robert Lindahl is a Swedish-British scientist specialising in cancer research. In 2015, he was awarded the Nobel Prize in Chemistry jointly with American chemist Paul L. Modrich and Turkish chemist Aziz Sancar for mechanistic studies of DNA repair. The Nobel Prize in Chemistry 2015, announced October 7, 2015. Tomas Lindahl, Paul Modrich, and Aziz Sancar, “for mechanistic studies of DNA repair”. Tomas Lindahl: born 1938, Stockholm, Sweden. Paul Modrich: born 1946, Raton, NM, USA. Aziz Sancar: born 1946, Savur, Turkey. Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).