Complex sentence: Professor Sir John Ivan George Cadogan CBE DSc FRSE FRSC PLSW FRS (born 1930) is one of the most distinguished scientists in Wales, whose speciality is in organic chemistry.
Split into simpler sentences: Professor Sir John Ivan George Cadogan CBE DSc FRSE FRSC PLSW FRS (born 1930) is a British scientist. He is one of the most distinguished scientists in Wales, whose speciality is in organic chemistry.