Complex sentence: Alexander Graham Cairns-Smith (born 1931) is an organic chemist and molecular biologist at the University of Glasgow, most famous for his controversial 1985 book, "Seven Clues to the Origin of Life".
Split into simpler sentences: Alexander Graham Cairns-Smith (born 1931) is an organic chemist and molecular biologist at the University of Glasgow. He is most famous for his controversial 1985 book, "Seven Clues to the Origin of Life".