Complex sentence: Sylvester James Gates, Jr. (born December 15,1950)--known as S. James Gates, Jr, or Jim Gates--is an American theoretical physicist, known for work on supersymmetry, supergravity, and superstring theory.
Split into simpler sentences: Sylvester James Gates, Jr. (born December 15,1950)--known as S. James Gates, Jr, or Jim Gates--is an American theoretical physicist. He is known for his work on supersymmetry, supergravity, and superstring theory.