Jack Nicklaus won the US Masters in 1986 for a record sixth time. He is a retired American professional golfer and widely regarded as the greatest golfer of all time, winning a record 18 career major championships, over a span of 25 years. Nicklaus won six Masters Tournament in year 1963, 1965, 1966, 1972, 1975 and 1986, four U.S. Open in year 1962, 1967, 1972 and 1980, three Open Championship in year 1966, 1970 and 1978, and five PGA Championship in year 1963, 1971, 1973, 1975 and 1980.