Jack William Nicklaus (born January 21, 1940), nicknamed The Golden Bear, is a retired American professional golfer. He is widely regarded as the greatest golfer of all time, winning a record 18 career major championships, while producing 19 second-place and 9 third-place finishes, over a span of 25 years. Nicklaus focused on the major championships (Masters Tournament, U.S. Open, Open Championship and PGA Championship), and played a selective schedule of regular PGA Tour events.

At the Masters, 1970–79, Nicklaus finished 10 consecutive years in the top-8. Specifically 1st (2), 2nd (2), 3rd (2), 4th (2), 7th (1), 8th (1).

Between 1971 and 1980, he won an additional nine major championships, overtook Bobby Jones' record of 13 majors, and became the first player to complete double and triple career slams of golf's four professional major championships. At the age of 46, Nicklaus claimed his 18th and final major championship at the 1986 Masters, becoming the tournament's oldest winner.

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