Complex sentence: Richard Sorge (Russian: Рихард Зорге) (October 4,1895-November 7,1944) is considered to be the greatest spy in the world, which has gained him fame among spies and espionage enthusiasts.
Split into simpler sentences: Richard Sorge (Russian: Рихард Зорге) (October 4,1895-November 7,1944) is considered to be the best spy to ever live. He has gained him fame among spies and espionage enthusiasts.