Gregory John Norman know by his nickname "The Great White Shark" (often shortened to just "The Shark"), which he earned after his play at the 1981 Masters. He is an Australian professional golfer and entrepreneur who spent 331 weeks as the world's Number 1 Official World Golf Rankings ranked golfer in the 1980s and 1990s. He has won 91 international tournaments, including 20 PGA Tour tournaments and two majors: The Open Championships in 1986 and 1993.