![Veteran golfer John Jacobs swinging his putter as he lines up a putt at the 'Grand Match' of 1986 | Collections | University of St Andrews Veteran golfer John Jacobs swinging his putter as he lines up a putt at the 'Grand Match' of 1986 | Collections | University of St Andrews](https://collections.st-andrews.ac.uk/iiif/2/155956~155956/full/1024,/0/default.jpg)
Veteran golfer John Jacobs swinging his putter as he lines up a putt at the 'Grand Match' of 1986 | Collections | University of St Andrews
![Martin Hall a Twitteren: "I used this quote yesterday from the great John Jacobs. The most important sentence in understanding your golf swing. http://t.co/gstlAHbaQY" / Twitter Martin Hall a Twitteren: "I used this quote yesterday from the great John Jacobs. The most important sentence in understanding your golf swing. http://t.co/gstlAHbaQY" / Twitter](https://pbs.twimg.com/media/B6_d5z6IUAEe-TI.jpg)
Martin Hall a Twitteren: "I used this quote yesterday from the great John Jacobs. The most important sentence in understanding your golf swing. http://t.co/gstlAHbaQY" / Twitter
![John Jacobs, 1925-2017: 'The greatest teacher in the history of the game' | This is the Loop | Golf Digest John Jacobs, 1925-2017: 'The greatest teacher in the history of the game' | This is the Loop | Golf Digest](https://www.golfdigest.com/content/dam/images/golfdigest/fullset/2017/01/13/587906db10cd2af82bdd5d9c_John-Jacobs.jpg)