His teachings and swing concepts were influenced by Homer Kelley's book The Golfing Machine whom O'Grady had studied with personally in his earlier years.
The theory follows some ideas that are present in Homer Kelley's book "The Golfing Machine".
Homer | Homer Simpson | Winslow Homer | Kelley Jones | Josh Kelley | Louise Homer | David Kelley | Paul X. Kelley | Mike Kelley | Kelley Stoltz | Homer, Louisiana | Edward Kelley | Kelley Deal | Jill Kelley | Homer, Alaska | David E. Kelley | Achaeans (Homer) | Mike Kelley (artist) | Larry Kelley | Kelley Law | Homer's Barbershop Quartet | Homer Rice | Homer, New York | Homer M. Hadley Memorial Bridge | Homer Laughlin | Homer Hoyt | Homer Hickam | Harold Kelley | Frank J. Kelley | Florence Kelley |