Professional Golfer from Argentina was how old when he won the 1967 Open Championship?
1967 Open Championship: The 1967 Open Championship was the 96th Open Championship, played from 12–15 July at Royal Liverpool Golf Club, Hoylake. 1967 Open Championship:  Roberto De Vicenzo, 44, won his only major championship, two strokes ahead of runner-up and defending champion Jack Nicklaus.
i don't know