"The Golfing Machine" would be in its 21st Edition if Homer Kelley were still alive. He was in the midst of solidifying the key mechanics concepts of the G.O.L.F. Stroke.
?? 21st ??, the first 7 each containing significant andvances. And from where HK left there have been MANY with concepts they believe to be significant advances, but, only to be rebuffed because they were not where HK left his work. Is that a problem? Who is to be the arbitor?