Jack Nicklaus signs autographs for young fans before going on practice round of the 1972 British Open in Muirfield Golf Course, Scotland. Nicklaus was trying for a Grand Slam after already winning the U.S. Masters and Open titles in 1972.

Jack Nicklaus signs autographs for young fans before going on practice round of the 1972 British Open in Muirfield Golf Course, Scotland. Nicklaus was trying for a Grand Slam after already winning the U.S. Masters and Open titles in 1972.