William George Longmuir is a Scottish professional golfer.

The 1979 Open Championship was the 108th Open Championship, held 18–21 July at Royal Lytham & St Annes Golf Club in Lancashire, England. Seve Ballesteros, 22, won the first of his five major titles, three strokes ahead of runners-up Jack Nicklaus and Ben Crenshaw. It was the first of his three Open Championship victories; he raised the Claret Jug again in 1984 and 1988.