Complex sentence: W. Raymond Drake (1913--1989), a British disciple of Charles Fort, published nine books on the ancient astronaut theme, the first four years earlier than Erich Von Däniken's bestseller "Chariots of the Gods".
Split into simpler sentences: W. Raymond Drake (1913--1989) was a British disciple of Charles Fort and writer. He published nine books on the ancient astronaut theme, the first four years earlier than Erich Von Däniken's bestseller "Chariots of the Gods".